70 up to 80 7 From the above data construct : i) a frequency histogram. ii) a frequency polygon. iii) a cumulative frequency curve (ogive). iv) From your ogive estimate: - the median loading time - the interquatile range and quartile deviation. - The number of vehicles loaded in under 52 minutes. Question 2 The frequency distribution shows the times taken by 30 pupils to do their Mathematics homework
Free Median Standard deviation Summary statistics
87 (Ch. 3) Exercise 80* a. The times are a population because we are considering the wait times for all of the customers seated on Saturday night. b. To find the mean: µ = ∑ X N µ = 1021 25 µ = 40.84 To find the median: The midpoint value of the population is 39. c. To find the range: Range = Largest Value – Smallest Value Range = 67 – 23 Range = 44 To find the standard deviation: σ = √∑ (X - µ)2 N σ = √∑(X – 40.84) 2 = √5291.36 =
Premium Standard deviation Arithmetic mean Median
2‚ 3‚ 5‚ 6‚ 8‚ 9. e. None of the above is a correct answer. ____ 4. If a distribution is skewed to the right‚ which of the following is true? a. The mean must be less than the median. b. The mean and median must be equal. c. The mean must be greater than the median. d. The mean is either equal to or less than the median‚ e. It’s impossible to tell which of the above statements is true without seeing the data. ____ 5. Rainwater was collected in water collectors at 30 different sites near an industrial
Premium Normal distribution Standard deviation Regression analysis
Statistical Concepts Series Radiology Seema S. Sonnad‚ PhD Describing Data: Statistical and Graphical Methods1 An important step in any analysis is to describe the data by using descriptive and graphic methods. The author provides an approach to the most commonly used numeric and graphic methods for describing data. Methods are presented for summarizing data numerically‚ including presentation of data in tables and calculation of statistics for central tendency‚ variability‚ and distribution
Premium Median Standard deviation Normal distribution
INTRODUCTION Everpia Viet Nam‚ a company with 100% Korean invested capital is the owner of high-grade Everon bedding- a reputable brand for lots of consumer in Viet Nam. It has already 3 factories in Dong Nai and Ha Noi and now wants to establish one more factories in order to expand its activity. Our company was asked to study and find out the most suitable location that can be the sub-constructors of Everpia base on some criteria. We will collect the information by using variety sources of data
Premium Median Arithmetic mean Chart
stock prices of tata communications ltd and bharti airtel ltd. And presented them in graphical form also with the help of Microsoft excel and stata. I have made the descriptive study of the stock prices of both the companies and found out the mean‚ median ‚mode ‚skewness ‚ kurtosis ‚ standard deviation ‚and some other annalysis. and thus made a deep study into the monthly returns of both the companies. In order to understand the monthly returns in a better way we should 1st know about the companies
Premium Standard deviation Arithmetic mean Median
Assignment No. 2 September 23‚ 2014 Case Study: Motion Picture Industry Course: ‐Statistics Professor: Homayoun Khamooshi‚ Ph. D. Team Members: Selena El Hajji Cristina Brain Vizcarra Mandatory Integrity Document for MSPM Team Projects Cristina Brain Vizcarra: “I am satisfied that the contribution made by each team member warrants a full share of the credit for this work‚ and I affirm that I have completed this assignment in accordance with the Code of Academic Integrity
Premium Mode Standard deviation Median
ACKNOWLEDGEMENT In the name of Allah‚ the most Gracious and the most merciful. Alhamdulillah‚ all praises to Allah for the strengths and blessing in completing this task. We also like thank to our lecturer Miss Puteri Faida Alya Binti Zainuddin for giving us such a brilliant ideas and helping hand to complete our assignment. We would like to express our appreciation to our parents for giving us support to accomplish this task and also their financial help‚ that very useful to us to buy A4 paper
Premium Mobile phone Chart Median
Construct a new circle graph to show how the percent of Grade 9 students rose by 10% and the percent of Grade 11 students fell by 10% the following year. Compare graphs. 2. Analyze the following box-and-whisker plot. What are the median value for the whole sample‚ the median values for each half‚ and the range? 3. Students in Mrs. Singh’s math class were asked if they can watch television and do math homework at the same time. According to the results shown on the right‚ are males or
Premium Sampling Standard deviation Median
Major League Baseball Final Project by University of Central Oklahoma Data Analysis & Interpretation-ORGL3333 Major League Baseball Final Project “I thought you said we didn’t have any high priced talent.” Lou Brown played by James Gammon in the movie “Major League” Major League Baseball (MLB) is a professional baseball league consisting of teams that play in the American League and the National League. The league is one of the major professional sports leagues of the United States
Premium Arithmetic mean Major League Baseball Standard deviation