Business Analytics (2nd Edition)
Business Analytics (2nd Edition)
2nd Edition
ISBN: 9780321997821
Author: James R. Evans
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 4, Problem 12PE

The Excel file EEO Employment Report shows the number of people employed in different professions for various racial and ethnic groups. Find the proportion of men and women in each ethnic group for the total employment and in each profession.

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Chapter 4 Solutions

Business Analytics (2nd Edition)

Ch. 4 - Data obtained from a county auditor in the Excel...Ch. 4 - In the Excel file Facebook Survey, find the...Ch. 4 - For the Excel file Tablet Computer Sales, find the...Ch. 4 - Prob. 4PECh. 4 - Prob. 5PECh. 4 - Prob. 6PECh. 4 - Prob. 7PECh. 4 - Prob. 8PECh. 4 - Prob. 9PECh. 4 - Prob. 10PE
Ch. 4 - A marketing study of 800 adults in the 18—34 age...Ch. 4 - The Excel file EEO Employment Report shows the...Ch. 4 - In the Excell file Bicycle Inventory, find the...Ch. 4 - In the Sales Transactions database, find the...Ch. 4 - In the Excel file Economic Poll, find the...Ch. 4 - In the Excel file Facebook Survey, use a...Ch. 4 - In the Excel file Cell Phone Suivey, use...Ch. 4 - Using PivotTables, find the average and standard...Ch. 4 - Prob. 19PECh. 4 - Prob. 20PECh. 4 - Prob. 21PECh. 4 - Prob. 22PECh. 4 - Call centers have high turnover rates because of...Ch. 4 - In the Excel file Weddings, determine the...Ch. 4 - Prob. 25PECh. 4 - Prob. 26PECh. 4 - Prob. 27PECh. 4 - Prob. 28PECh. 4 - Prob. 29PECh. 4 - Prob. 30PECh. 4 - Prob. 31PECh. 4 - Compute the z-scores for the data in the Excel...Ch. 4 - Prob. 33PECh. 4 - Prob. 34PECh. 4 - Prob. 35PECh. 4 - Prob. 36PECh. 4 - Prob. 37PECh. 4 - Prob. 38PE
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