Basic Business Statistics, Student Value Edition (13th Edition)
Basic Business Statistics, Student Value Edition (13th Edition)
13th Edition
ISBN: 9780321946393
Author: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
Publisher: PEARSON
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2-Proportion Test
In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.
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Chapter 2, Problem 94PS

The file Protein contains calorie and cholesterol information for popular protein foods (fresh red meats, poultry, and fish).

a. Construct a percentage histogram for the number of calories.

b. Construct a percentage histogram for the amount of cholesterol.

c. What conclusions can you reach from your analyses in (a) and (b)?

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Chapter 2 Solutions

Basic Business Statistics, Student Value Edition (13th Edition)

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Ch. 2 - Construct an ordered array, given the following...Ch. 2 - Construct an ordered array, given the following...Ch. 2 - Prob. 13PSCh. 2 - Prob. 14PSCh. 2 - Prob. 15PSCh. 2 - The file Utility contains the following data about...Ch. 2 - How much time do commuters living in or near...Ch. 2 - How do the average credit scores of people living...Ch. 2 - One operation of a mill is to cut pieces of steel...Ch. 2 - Prob. 20PSCh. 2 - Prob. 21PSCh. 2 - Prob. 22PSCh. 2 - The file Drink Contains the following data for the...Ch. 2 - Prob. 24PSCh. 2 - Prob. 25PSCh. 2 - Prob. 26PSCh. 2 - Prob. 27PSCh. 2 - Prob. 28PSCh. 2 - Prob. 29PSCh. 2 - Prob. 30PSCh. 2 - Prob. 31PSCh. 2 - Do special recommendations increase ad...Ch. 2 - Construct a stern-and-leaf display, given the...Ch. 2 - Construct an ordered array, given the following...Ch. 2 - The following is a stern-and0-leaf display...Ch. 2 - Prob. 36PSCh. 2 - The file MobileSpeed contains the overall download...Ch. 2 - The file Utility contains the following data about...Ch. 2 - Prob. 39PSCh. 2 - Prob. 40PSCh. 2 - How much time do Americans living in or near...Ch. 2 - How do the average credit scores of people living...Ch. 2 - One operation of a mill is to cut pieces of steel...Ch. 2 - Prob. 44PSCh. 2 - Prob. 45PSCh. 2 - Prob. 46PSCh. 2 - The data stored in Drink represents the amount of...Ch. 2 - The following is a set of data from a sample of...Ch. 2 - Prob. 49PSCh. 2 - Movie companies need to predict the gross receipts...Ch. 2 - Data were collected on the typical cost of dining...Ch. 2 - Prob. 52PSCh. 2 - Prob. 53PSCh. 2 - How have stocks performed in the past? The...Ch. 2 - Prob. 55PSCh. 2 - Prob. 56PSCh. 2 - The file Audits contains the number of audits of...Ch. 2 - Prob. 58PSCh. 2 - Prob. 59PSCh. 2 - Prob. 60PSCh. 2 - Using the sample of retirement funds stored in...Ch. 2 - Prob. 65PSCh. 2 - Prob. 66PSCh. 2 - Examine the following visualization, adapted from...Ch. 2 - Prob. 69PSCh. 2 - Prob. 70PSCh. 2 - How do histograms and polygons differ in...Ch. 2 - Why would you construct a summary table?Ch. 2 - What are the advantages and disadvantage of using...Ch. 2 - Compare and contrast the bar chart for categorical...Ch. 2 - What is the difference between a time-series plot...Ch. 2 - Why is it said that the main feature of a Pareto...Ch. 2 - What are the three different ways to break down...Ch. 2 - How can a multidimensional table differ from a...Ch. 2 - What type of insights can you gain from a...Ch. 2 - The following summary, table, presents the...Ch. 2 - The following table represents the market share...Ch. 2 - Prob. 82PSCh. 2 - The owner of a restaurant that services...Ch. 2 - Prob. 84PSCh. 2 - The following data represents the pounds per...Ch. 2 - Prob. 86PSCh. 2 - One of the major measures of the quality of...Ch. 2 - Prob. 88PSCh. 2 - Prob. 89PSCh. 2 - Prob. 90PSCh. 2 - Prob. 91PSCh. 2 - Prob. 92PSCh. 2 - What was the average price of a room at two-star,...Ch. 2 - The file Protein contains calorie and cholesterol...Ch. 2 - The file Natural Gas contains the U.S. monthly...Ch. 2 - Prob. 96PSCh. 2 - Prob. 97PSCh. 2 - A/B testing allows business to test a new design...
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