Name: Bin Date: Frequency 1 2 2 1 Directions: Answer all problems and submit to instructor at the end of module 1 3 6 4 7 5 4 6 4 7 1 8 1 More 0 Q1 Descriptive Statistics Excel Worksheet b Q2 d Q3 e Q4 b 5. For the following sample of scores: 2‚ 6‚ 1‚ 4‚ 2‚ 2‚ 4‚ 3‚ 2 Mean variance standard deviation 2.889 2.099 1.537 Find the mean‚ variance and standard deviation 6. A sample of size 7 (n = 7) has a mean of M = 9. One of the sample scores is changed from x
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experiment or Bernoulli trial. The binomial distribution is a Bernoulli distribution when n = 1. In many cases‚ it is appropriate to summarize a group of independent observations by the number of observations in the group that represent one of two outcomes. For example‚ the proportion of individuals in a random sample who support one of two political candidates fits this description. In this case‚ the statistic is thecount X of voters who support the candidate divided by the total number of individuals
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How could graphics and/or statistics be used to misrepresent data? Where have you seen this done? Statistics are of value to us all. As learned throughout the readings for this week‚ they are there to provide us vast amount of data related to health care‚ including why a drug may be indicated for a certain treatment (or the likelihood of it working); parameters for disease signs and symptoms; and even the prevalence of certain disease(s) within our areas to ensure competent care can be provided
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Descriptive Statistics using Excel May 2011 / Dr Rensvold Open the Excel spreadsheet labeled "Example Database." The first page is the Data Dictionary. The Variable Label is the "handle" used for computation. The Variable Name is longer and more descriptive. The Values column shows the numerical values associated with categorical variables. In the data dictionary‚ you can see that the only categorical (nominal) variable is SEX. The others are ratio variables (why?) Click on the Data tab
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Chapter 1 Questions 1. Identify some new features in the 2010 version of Excel. Some new features include sparklines and slicers‚ and improvements to PivotTables and other existing features can help you to discover patterns or trends in your data that can lead to more-informed decisions. 2. Why would you use conditional formatting? Conditional formatting features reflect graphically the values for salespersons and customers relatives to each other. It is used as a comparison tool such as in the
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How do you provide Dynamic Range in ’Data Source’ of Pivot Tables? You: We follow the steps in following order to provide Dynamic Range in ’Data Source’ of Pivot Tables: 1. Create a Named range using Offset function. 2. Base the pivot table using the Named range created in Step 1. Question 02: Interviewer: If you add either new rows or new columns to the pivot table source data‚ the pivot table is not updated even when you click on ’Refresh Data’. Why and what is the solution? You: This happens
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Descriptive Statistics 1.1 Descriptive vs. Inferential There are two main branches of statistics: descriptive and inferential. Descriptive statistics is used to say something about a set of information that has been collected only. Inferential statistics is used to make predictions or comparisons about a larger group (a population) using information gathered about a small part of that population. Thus‚ inferential statistics involves generalizing beyond the data‚ something that descriptive
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Descriptive Statistics Paper Descriptive Statistics Paper In research‚ the need to accurately produce results is imperative to efficient research. Team C’s hypothesis of what generates champion teams needs many tools provided in research to achieve a true answer. Team C has further simplified the meaning of champion team to any team whose team dynamics cause the team to have a winning season. With that being said‚ this paper will be focused on the research tools needed and the results
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ASSIGNMENT 1 Instructions: The Assignment consists of two parts. Please attempt both PART A and PART B. Analyze the results of your statistical processing and provide practical managerial implications wherever applicable. Your assignment should have a cover page including the Group number and the names of the Group members. The assignment should be handed over as a printed copy on the due date. In addition an electronic copy should also be submitted to the HULT online course page. The file you
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Descriptive Statistics Descriptive statistics is the analysis of data that summarize data in a way such that‚ meaningful patterns emerge from the data. Descriptive statistics do not allow us to reach to the conclusions beyond the data we have analyzed regarding any hypotheses we might have made. They simply describe our data. Measures of Central Tendency: these are ways of describing the central position of a frequency distribution for a group of data through: Mode: Sum of all observations divided
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