department store “AJ DAVIS Departmental stores”. The 1st individual variable considered is Location. It is a category variable. The three subcategories... are Urban, Suburban and Rural. Category variable, the measures of central tendency and descriptive statistics has not been calculated for this variable. The frequency distribution and pie chart are below: |Frequency Distribution: | |Location |Frequency | |Urban |21 | |Suburban...
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Location, Income, and Credit Balance for the customers of AJ Davis Department Store Math 533 Course Project Part A AJ... DAVIS DEPARTMENT STORES AJ Davis Department Store Customer Research A. Brief Introduction The department store AJ Davis would like to find out more information about their customers. A sample of 50 credit customers is selected with data collected on the following five variables: 1. LOCATION (Rural, Urban, Suburban) 2. INCOME (in $1,000's – be careful with this) ...
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PROJECT PART B: Hypothesis Testing and Confidence Intervals Math-533 Applied Managerial... Statistics Prof. Jeffrey Frakes December 8, 2014 Jared D Stock A.) The average (mean) annual income was greater than $45,000 Null Hypothesis: The average (mean) annual income is greater than or equal to $45,000. Ho: u > $45,000 Alternative Hypothesis: The average (mean) annual income was less than $45,000 Ha: u < $45,000 I will use a = .05 as the significance level, and...
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PROJECT PART C: Regression and Correlation Analysis Math-533 Applied Managerial Statistics... Prof. Jeffrey Frakes December 12, 2014 Jared D Stock 1. Generate a scatterplot for income ($1,000) versus credit balance ($), including the graph of the best fit line. Interpret. This scatter plot graph is a representation of combining income and credit balance. It shows the income increasing as the credit balance increases. As a result of this data it can be inferred that there...
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value gives an actual quantity that can mean “how much”, or “how many”. Whereas qualitative means we are simply recording into which of the categories the... element falls. (Bowerman, O'Connell, Murphree, Orris, J. B. (2012). Essentials of Business Statistics 4th ed.). A. The dollar amount on an accounts receivable invoice. This would be quantitative, because it is showing the actual dollar amount and is not grouping it into different categories. B. The net profit for a company in 2009. ...
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BMS11 Business Maths and Statistics ASSIGNMENT 1 DESCRIPTIVE STATISTICS USING EXCEL PART B.... QA). The pie charts show that a higher percentage of the male gender has tried the product in comparison to the female gender. Over 50% of both genders have tried the product. However, the fact that the percentage of males who tried the product is higher, suggests that gender does play a role in whether the people will try the product. Yet the role genders play is small, because the difference...
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CASE STUDIES CASE 1: Pelican Stores Pelican Stores, a division of National Clothing, is a chain of women's apparel stores operating... throughout the country. The chain recently ran a promotion in which discount coupons were sent to customers of other National Clothing stares. Data collected for a sample of 100 in-store credit card transactions at Pelican Stores during one day while the promotion was running are contained in the file named Pelican Stores. Table 2.17 shows a portion of the data...
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Ryan McKinney 7/21/2013 Math 533 - AMS I will be going over data provided about our customers based off there location,... income size, household size, years at current location, and the credit balance they carry with our company. Using statistical analysis we can learn more about our customers and hopefully use this information to provide better services to our customers in the future to keep them customers for life. In my analysis I will go over the following: * Customer Location ...
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B6014 MANAGERIAL STATISTICS Course Description: This course introduces students to basic concepts in probability and... statistics of relevance to managerial decision making. Topics include basic data analysis, random variables and probability distributions, sampling distributions, interval estimation, hypothesis testing and regression. Numerous examples are chosen from quality-control applications, finance, marketing and management. Type and Length of Exam: Open book, 3 hours, calculator such as HP-12C...
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Math 533 Project Part B In regards to the dataset from AJ Department store, your manager has... speculated the following: the average (mean) annual income is less than $50,000, the true population proportion of customers who live in an urban area exceeds 40%, the average (mean) number of years lived in the current home is less than 13 years, the average (mean) credit balance for suburban customers is more than $4300. Part 1. Using the sample data, perform...
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BMT 1814 ASSIGNMENT 1 SEMESTER 1 SESSION 2012/2013 MULTIMEDIA UNIVERSITY FACULTY OF MANAGEMENT SEMESTER 1... SESSION 2012/2013 BMT 1814 MANAGERIAL MATHEMATICS ASSIGNMENT 1 SUBMISSION Submission: Latest on 28th July 2012 This assignment will contribute 25% of the overall assessment for this course. It is an individual assignment. Please submit this assignment to the administrative office of FOM (opened on each Saturday). Late submission will lose marks at the rate of 1% of the overall mark...
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Final Project Bryant/Smith Manual Case 7: Tom’s Used Mustangs Applied Managerial Statistics I. Executive Summary... The data file named “MUSTANGS”, contains observations on 35 used Mustangs with a variation of 10 different characteristics[1]. This file was used to prepare a report on the influence of various options on asking price and to relay how this information could be used to set prices on used Mustangs. Statistical analysis by Hypothesis Testing and Multiple Regression Analysis...
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Statistics Case Study-1 Age Weeks Employed 55 21 30 18 23 11 52 36 41 19 25 12 42 7 45 25 25 6 40 21... 25 13 25 11 59 34 49 27 33 18 35 20 a. Age Weeks Employed Mean 37.75 Mean 18.6875 Standard Error 2.974195 Standard Error 2.188452 Median 37.5 Median 18.5 Mode 25 Mode 21 Standard Deviation 11.89678 Standard Deviation 8.753809 Sample Variance 141.5333 Sample Variance 76.62917 Kurtosis -1.17143 Kurtosis -0.21626 Skewness 0.337402 Skewness 0.522601 Range 36 Range 30 ...
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Statistics – Lab Week 2 Name: Math221 Creating Graphs 1. Create a Pie Chart for the variable Car -... 2. Create a histogram for the variable Height – 3. Create a stem and leaf chart for the variable Money – Stem-and-Leaf Display: Money Stem-and-leaf of Money N = 20 Leaf Unit = 1.0 9 0 124456667 (3) 1 249 8 2 128 5 3 03 3 4 27 1 5 2 Calculating Descriptive Statistics 4. Calculate descriptive...
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MATH 533(Applied Managerial Statistics) Project AJ Davis Department Stores; Part C: Regression and... Correlation Analysis Using MINITAB perform the regression and correlation analysis for the data on CREDIT BALANCE (Y) and SIZE (X) by answering the following. 1. Generate a scatterplot for CREDIT BALANCE vs. SIZE, including the graph of the "best fit" line. Interpret. Scatterplot of Credit Balance($) vs Size 6000 5000 Credit Balance($) 4000 3000 2000 1 2 3 4 Size 5 6 7 The...
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Lind, Chapter 13, Exercise 42 A sample of 12 homes sold last week in St. Paul, Minnesota, is selected. Can we conclude that as the size of the... home (reported below in thousands of square feet) increases, the selling price (reported in $ thousands) also increases? a. Compute the coefficient of correlation. Coefficients Standard Error t Stat P-value Intercept 59.95717345 28.65750326 2.092198085 0.062896401 Home Size 31.69164882 24.44661008 1.296361692 0.223968044 The formula for the coefficient...
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BUS 271 CHAPTER ONE HOMEWORK: TERMS 1. In each statement that follows, tell whether descriptive or inferential statistics were... used. _D____ a. The average price of a home sold in Allegheny County the week of April 22-28 $75,328. _D____ b. According to the Census Bureau, 20% of all American workers get to work via carpool. __I___ c. The National Eye Institute has halted a clinical trial on a type of eye surgery, calling it ineffective and possibly harmful to a person’s...
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SOC101: Introduction to Sociology (GSP1224C) quiz 1 1. A city councilman broke the law by taking money from a company who was... then awarded a city contract, and was then forced to resign. Which term best explains his behavior? Role strain Role confusion Correct Answer:* Role conflict Folkway Instructor Explanation: The answer can...
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Calculator Exercise 1 Descriptive Statistics 1. The table below presents data for a sample of people who... completed a religious survey. |Age |Gender |Denomination |Church Attendance | |56 |1 |7 |4 | |46 |2 |6 |5 | |49 |2 |6 |5 | |49 |1 |1 ...
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Magenta Psychological Statistics Abstract This paper will review different styles of research design along with how different variables... within research can be measured. Statistics Research Question: Within the realms of a psychological statistics class, does blended course-delivery format result in students attaining a higher grade point average when compared to face-to-face and online delivery formats? Null Hypothesis: Within the realms of a psychological statistics class, blended course-delivery...
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below: Identify the type of data (quantitative - discrete, quantitative - continuous, or qualitative) that would be used to describe a response. Give an... example of the data. • Quantitative – Discrete: Data obtained that are discrete numbers. e.g. 1, 2, 3... • Quantitative – Continuous: Data from a population that is assumed to be measured accurately. • Qualitative : Categorization or description attributes of a population. e.g. red, blue,etc • Number of tickets sold to a concert: Quantitative...
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Running Header: TWO-VARIABLE 1 Running header should use a shortened version of the title if the title is long. Page number is located... at right margin. (full title; centered horizontally & vertically) Two-Variable Inequalities John Q. Student MAT 222 Week 2 Assignment Instructor’s Name Date Running Header: TWO-VARIABLE 2 Two-Variable Inequalities (title required on first line) Continuing last week’s topic of functions and relationships between variables, this week’s work...
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Question 1 | | 1 / 1 point | To save for her newborn son's college education, Lea Wilson will invest $1,000 at... the beginning of each year for the next 18 years. The interest rate is 12 percent. What is the future value? Question options: | 1) | $7,690 | | 2) | $34,931 | | 3) | $63,440 | | 4) | $55,750 | Question 2 | | 1 / 1 point | Sharon Smith will receive $1 million in 50 years. The discount rate is 14%. As an alternative, she can receive $2,000 today. Which should she choose...
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Course Project Part Three Professor Douglas Nottingham March 27, 2014 1. Generate a scatterplot for... CREDIT BALANCE vs. SIZE, including the graph of the "best fit" line. Interpret. The larger the size of the family the larger the credit balances is for the family. The larger families have the financial needs to have a larger credit balance. 2. Determine the equation of the "best fit" line, which describes the relationship between CREDIT BALANCE and SIZE...
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formula for gravitation on page 400 and describe why the name gravity model is appropriate. The gravity model equation is similar to Newton’s formula for... gravitation. Newton’s formula: F = Gm1m2/r2 Gravity Model: g = GM/r2 References iCoach Math. (2013). Retrieved from http://www.icoachmath.com/ ...
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Week 4 Practice Problems 11. List the five steps of hypothesis testing, and explain the procedure and logic of each Step 1:... During this step of hypothesis testing, the query is stated again as a research theory and a null theory regarding the populations. The null and research hypothesizes are the opposites of each other. This step is necessary because it explains the theory and recognizes the populations, which will be worked throughout the study. Step 2: During this second step, the characteristics...
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AJ DAVIS AJ DAVIS MATH 533 Project Consumer Tel – 123-456-7891 July 21st 2013 MATH 533... Project Consumer Tel – 123-456-7891 July 21st 2013 Lakshan Nanayakkara AJ DAVIS is a department store chain, which has many credit customers. A sample of 50 credit customers is selected with data collected on location, income, credit balance, number of people and years lived in the house Lakshan Nanayakkara AJ DAVIS is a department store chain, which has many credit customers. A sample of 50 credit...
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Elementary Statistics iLab Week 6 Statistical Concepts: * Data Simulation * Discrete Probability Distribution *... Confidence Intervals Calculations for a set of variables Mean Median 3.2 3.5 4.5 5.0 3.7 4.0 3.7 3.0 3.1 3.5 3.6 3.5 3.1 3.0 3.6 3.0 3.8 4.0 2.6 2.0 4.3 4.0 3.5 3.5 3.3 3.5 4.1 4.5 4.2 5.0 2.9 2.5 3.5 4.0 3.7 3.5 3.5 3.0 3.3 4.0 Calculating Descriptive Statistics Descriptive Statistics: Mean, Median Variable N N* Mean SE Mean StDev...
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Week Five Discussion | This Discussion will give you the opportunity to calculate or identify the three measures of central tendency. You... will be asked to select an appropriate real life situation in which one measure would be more appropriate than the other two measures of center. 1. Select a topic of interest to you and record the topic in your posting, for example: “What is the average number of hours people watch TV every week?” Make sure the question you ask will be answered with a number...
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Managerial Acctg Quiz 1 – Fall 2012 NAME_ ______________________ Chapters 1 and 2 10 Points... 1. Complete the answer sheet below by placing an "X" under each heading that identifies the cost involved. The "Xs" can be placed under more than one heading for a single cost. (5 Points) Variable Cost Fixed Cost Direct Materials Direct Labor Manufactu ring Overhead Period Cost Materials costs X X Production line workers wages X X Production Equipment...
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CLICK TO DOWNLOAD Ashford MAT 222 WEEK 1 TO 5 Week 1, Assignment, Solving Proportions Read... the following instructions in order to complete this assignment: 1. Solve problem 56 on page 437 of Elementary and Intermediate Algebra. Set up the two ratios and write your equation choosing an appropriate variable for the bear population. 2. Complete problem 10 on page 444 of Elementary and Intermediate Algebra. Show all steps in solving the problem and explain what you are doing as you go along...
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HONORS STATISTICS CH1 In an observational study, researchers simply observe characteristics and take measurements, as in a sample survey.... In a designed experiment, researchers impose treatments and controls and then observe characteristics and take measurements. Data from a sample of citizens of a certain country yielded the following estimates of average TV viewing time per month for all the citizens. Answer: Inferential, because the statistics are used to make inference about the...
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This pack of QNT 561 Week 1 Individual Assignment shows the solutions to the following problems: Problem 80... Problem 82 Problem 87 Part II Problem 34 Problem 36 Problem 38 Problem 45 Problem 62 Problem 42 Problem 45 Deadline: ( ), Mathematics - Statistics does any have all the mathlabs for week two. All versions I should state. Be careful with your laptop when at school. Even college campuses are not immune to theft, and you probably...
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1. Question : Liberalism rests in a conception of equality whereby the government Student Answer: CORRECT must not choose one person’s... good over another. must ensure that we all have the same possessions. must provide everybody with healthcare. must redistribute wealth in order to achieve fairness. Instructor Explanation: The answer can be found in the section “What Does Liberalism Mean in Practice?” Points Received: 1 of 1 Comments: Question 2. Question :...
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file of QNT 351 Week 4 Discussion Question 1 you will find the next information: What is the five-step process for... hypothesis testing? Is the order important? Explain why or why not. Why do alphas differ among industries? How do ethics affect your chosen level of significance? Can you reject and accept the null hypothesis at the same time? Explain why or why not. General Questions - General General Questions QNT 351 Week 1 Statistics in Business QNT 351 Week 2 LT Assignment Data...
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The work ACC 349 Week 4 Team Ethics Case BYP 1 7 has the review of the Chapter 14 Ethic Case Prepare written responses... to the following assignments from Managerial Accounting: Tools for Business Decision Making Business - General Business ACC 349 Week 1 Individual Assignment Ch. 1 Ethics Case BYP 1-7 and Exercise E1-7 ACC 349 Week 2 Individual Assignments Ch. 2 3 ACC 349 Week 2 Learning Team Assignment Problems Ch. 2 3 ACC 349 Week 2 Learning Team Case...
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Managerial Accounting and the Business Environment Chapter 1 © 2010 The McGraw-Hill Companies, Inc. Learning Objective... 1 Understand the role of management accountants in an organization. McGraw-‐Hill/Irwin Slide 2 Organizational Structure Decentralization is the delegation of decisionmaking authority throughout an organization. Corporate Organization Chart Board of Directors President Purchasing Personnel Vice President Operations Chief Financial Officer Controller ...
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CLICK TO DOWNLOAD BUS 308 STATISTICS FOR AMANAGERS BUS 308 Week 1 DQ 1 Language Numbers and... measurements are the language of business.. Organizations look at results, expenses, quality levels, efficiencies, time, costs, etc. What measures does your department keep track of ? How are the measures collected, and how are they summarized/described? How are they used in making decisions? (Note: If you do not have a job where measures are available to you, ask someone you know for some examples or...
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MATH 221 All Discussions Week 1 - 7 - DeVry IF You Want To Purchase A+ Work Then Click The Link Below ,... Instant Download http://hwnerd.com/MATH-221-All-Discussions-Week-1-7-DeVry-1901.htm?categoryId=-1 If You Face Any Problem E- Mail Us At Contact.Hwnerd@Gmail.Com Week 1 Descriptive Statistics (graded) If you were given a large data set such as the sales over the last year of our top 1,000 customers, what might you be able to do with this data? What might be the benefits of describing...
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Research Design and Statistics Concepts Worksheet Senthil Kumar University of Phoenix Research Design and Statistics... Concepts Worksheet Concept Application of Concept in Scenario Reference to Concept in Reading Levels of Measurement: There are four different levels of measurements: 1. Nominal 2. Ordinal 3. Ordinal. 4. Interval. 5. Ratio. These different levels of measurement useful in business. New board member and statistician Bea Hansen pointed out that the data collected...
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Week Four Team Paper xxxxxxxxxxxxxx QNT/561 August 1, 2012 xxxxxxxxx Week 4 Team... Paper Best Buy is a company that has 40 years of history with a very accomplished sense of success. In 1966 Best Buy was a small electronics store in that originated in St. Paul Minnesota by Richard Schulze and an acquainted business partner. Considering that technology changes so rapidly, Best Buy has had to transform from just being the little electronics store down the way into a competitive...
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Week Two Assignment BUS308: Statistics for Managers Tiffany Aldridge January 9, 2012 Week Two Assignment... Chapter 4: 4.4, 4.20 4.4 Suppose that a couple will have three children. Letting B denote a boy and G denote a girl: a. Draw a tree diagram depicting the sample space outcomes for this experiment b. List the sample space outcomes that correspond to each of the following events: 1) All three children will have the same gender. BBB, GGG 2) Exactly two of the three...
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cocci cells. D. Were there observable differences between your fresh yogurt slide and the prepared yogurt slide? If so, describe them. Only perhaps that... there was far more Cocci cells then Bacillus E. Describe the four main bacterial shapes 1. Cocci - Spherical or oval bacteria having one of several distinct arrangements based on their planes of division 2. Bacillus - Rod shaped bacteria. Bacilli all divide in one plane producing a bacillus, streptobacillus, or coccobacillus arrangement...
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7/14/2012 Time Spent: 1 h , 12 min , 15 secs Points Received: 30 / 30 (100%) Question Type: # Of Questions: # Correct: Multiple Choice... 5 5 Grade Details - All Questions 1. Question : (TCO B) There are two basic ways to compensate physicians in an IPA model HMO: _____. Student Answer: capitation and global fees capitation and fee for service salary and bonuses fee for service and salary Instructor Explanation: Textbook Chapter 1, Week 1 Points Received:...
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Week 1 Assignment 2: OLS and eCampus Scavenger Hunt Search for the answers to the following scavenger hunt questions by... exploring OLS and your student website on eCampus, or by reviewing the Week 1 Read Me First and OLS readings on the UNIV/100 Materials page. To access the Week 1 readings, complete the following steps: 1. Login to your student website at https://ecampus.phoenix.edu. 2. Click the Materials link on the UNIV/100 workshop page. 3. Click the links for the Read Me First and...
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of a Test of Hypothesis are: 1. Null Hypothesis - A theory about the specific values of one or more population parameters. The theory... generally represents the status quo, and we accept it until proven false. 2. Alternative (research) hypothesis (Ha)- A theory about the specific values of one or more population parameters. The theory generally represents the status quo, and we accept it until proven false 3. Test statistic - A sample statistic used to decide whether to reject the...
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Problem N°1 1.Formulate the null and alternative hypotheses. Null Hypothesis: The average (mean) annual income was greater than... or equal to $50,000 H_0: μ≥50000 Alternate Hypothesis: The average (mean) annual income was less than $50,000. H_a: μ 30 we will use the z-test. As Ha:μ0.40 the, test is a right tailed z-test. The critical value for significance level, α=0.05 for a right tailed z-test is given in the table as: 1.645. Decision Rule: Reject H_0,if z>1.645 3. Calculate the test...
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BUS630 WEEK 1 Ashford University MANAGERIAL ACCOUNTING: This week students will:... 1. Explain the primary ethical responsibilities of the management accountant. 2. Illustrate the key principles of managerial accounting including cost concepts. 3. Distinguish between the behavior of variable and fixed cost. 4. Explain the significance of cost behavior to decision making and control. 5. Determine the necessary sales in unit and dollars to break-even or attain desired profit...
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IBA134 Business Statistics OUA Study Period 2 (SP2), 2013 Computer Assignment (Worth 15% of the overall assessment for the unit)... Due date: 5pm (QLD time) on Sunday 11, August 2013 Instructions: • All numerical calculations and graphs/plots should be done using EXCEL. • A hard copy of your completed assignment must be submitted electronically with the Griffith OUA Cover Sheet (available in the Assessment section of the unit website) attached as the 1st page...
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PROJECT STATISTICS DENISE CAPALBO Gender statistics is an area that cuts across traditional fields of... statistics to identify, produce and disseminate statistics that reflect the realities of the lives of women and men, and policy issues relating to gender. Women can still wear men's shoes, but the size they are accustomed to will be labeled differently in the men's sizes. Although the shoe size is related to the length of your foot, the sizes do not follow a direct formula. Subtract 1 1/2 from...
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security guards. The firm wants to hire the optimal number or security guards. The following table shows how the number of security guards affects the number... of radios stolen per week. Number of security guards Number of radios stolen per week 0 50 1 30 2 20 3 14 4 8 5 6 a. If each security guard is paid $200 a week and the cost of a stolen radio is $25, how many security guards should the firm hire? In order to determine how many security guards Twentyfirst Century Electronics should hire...
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Life without mathematics Do any of us realize the importance of maths in our daily life? This is a subject that is applied to every field and... profession. Without the application of maths, no field or profession is complete. To help us realize this why don’t we imagine a world without maths? Imagine living your days without a watch and a calendar. Both the watch and the calendar use numbers, the most basic and important of mathematic characters. How would you know the time of the day? Wouldn’t...
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FINAL EXAMINATION MATHS FOR BUSINESS AND FINANCE 5 Q=Sullivan handbags marks up their bags at 45% of the selling price. Pat Sullivan... saw a bag at a trade show that she would sell to her customers for $85. What is the most she could pay for the bag and still retain the 45% markup of the selling price? P=selling price C=cost of product R=percentage markup P=C(1+r) 85=C(1+45%/100=1.45) C=85/1.45=58.62 Check back 58.62*45%=26.379=26.38 58.62+26.38=85 Answer: Most she could pay for...
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MAT 222: Intermediate Algebra Title Page Solving a proportion as we learned this week, means that you are missing an import number in... your equation or fraction, and you need to solve for that missing value. As in my example, I did not know what percentage of bills we each should pay. We knew each other’s salaries; but we really had to sit down, crunch numbers, and figure it out. For this week’s assignment we were asked to work through two proportions. For the first proportion, number...
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McGuigan Chapter 1—Introduction and Goals of the Firm Only for this spring quarter 2013, quiz purposes MULTIPLE CHOICE... 1. The form of economics most relevant to managerial decision-making within the firm is: a.|macroeconomics| b.|welfare economics| c.|free-enterprise economics| d.|microeconomics| e.|none of the above| 2. If one defines incremental cost as the change in total cost resulting from a decision, and incremental revenue as the change in total revenue resulting from...
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Data Analysis Descriptive Statistics, Estimation, Regression & Correlation Treatment Effects of a Drug on Cognitive Functioning in... Children with Mental Retardation and ADHD Hossam Elhowary MATH-1016-15 Dr. Maria DeLucia December 09, 2014 Introduction The purpose of this survey was to investigate the cognitive effects of stimulant medication in children with mental retardation and Attention-Deficit/Hyperactivity Disorder. Twenty four children were given various dosage of a drug a placebo...
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Chapter 1 1. Statistics is the science of collecting, organizing, analyzing, interpreting, and presenting... data. TRUE 2. Inferential statistics refers to generalizing from a sample to a population, estimating unknown parameters, drawing conclusions, and making decisions. TRUE 3. Descriptive statistics refers to summarizing data rather than generalizing about the population. FALSE 4. Estimating parameters and testing hypotheses are important aspects of descriptive statistics. ...
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Statistics: Application of Statistics in Today’s Society Statistics is the collection of data and its... representation or interpretation. It is used to analyze what is happening in the world around us. We live in an age where having information about the entire world is necessary as it affects us in many ways, either directly or indirectly. A lot of this information we get is actually compiled by statistics. Statistics is mainly a problem solving field of study and understanding. It is “the...
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“ Statistics should be interpreted with caution as they can be misleading; they can both lie and tell the truth”... Statistics are being used everyday to describe things in working and studying areas to show the productivity of the results they are hoping for. Therefore, people observe and notice alternative objects the world around. Throughout this fact, similarities and differences are such features that could endanger or turned out as advantages. This is called statistics. Explanations...
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Chapt 10 # 42 H0: game length is >= 3.5 hours Ha: game length is < 3.5 hours mean = 2.9553 stdev = 0.5596 Get the t test statistic:... t = (x-mu)/(stdev/sqrt(N)) t = (2.9553-3.5)/(0.5596/sqrt(17)) t = -4.0133 Get the critical value for df = N-1 = 16, one tail, alpha is 0.05: -1.7459 Since our test statistic is much lower than the critical value, we reject the null hypothesis. There is enough evidence to conclude that games are shorter than 3.50 hours. Chapt 11 # 58 The amount...
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