A simple random sample of shoppers was collected in a large departmental store to study some certain consumer behaviours. Among the questions asked was, "do you enjoy shopping for clothing?" and "are you Male or Female?" Here are partial summarized data for this question: Do you enjoy shopping? Yes No Not relevant I buy what I have to Females 34 68 Total 99 174 31 126 If the null hypothesis is: Ho :Gender and enjoying shopping are independent. Use alpha = 0.05, then do the following: (Use two decimal places when appropriate) (a) Find the expected number of people with who said they like to shop and are Female: (b) Find the expected number of people who said they don't like to shop and are Female: (c) Find the expected number of people who responded with a Not relevant I buy what I have to and who are not Female: (d) Find the test statistic: (Use two decimal places when appropriate) (e) Find the degrees of freedom: () Find the critical value: (Use two decimal places when appropriate) (9) The final conclusion is O A. There is not sufficient evidence to reject the null hypothesis. B. We can reject the null hypothesis that gender and enjoying shopping are independent.

A simple random sample of shoppers was collected in a large departmental store to study some certain consumer behaviours. Among the questions asked was, "do you enjoy shopping for clothing?" and "are you Male or Female?" Here are partial summarized data for this question: Do you enjoy shopping? Yes No Not relevant I buy what I have to Females 34 68 Total 99 174 31 126 If the null hypothesis is: Ho :Gender and enjoying shopping are independent. Use alpha = 0.05, then do the following: (Use two decimal places when appropriate) (a) Find the expected number of people with who said they like to shop and are Female: (b) Find the expected number of people who said they don't like to shop and are Female: (c) Find the expected number of people who responded with a Not relevant I buy what I have to and who are not Female: (d) Find the test statistic: (Use two decimal places when appropriate) (e) Find the degrees of freedom: () Find the critical value: (Use two decimal places when appropriate) (9) The final conclusion is O A. There is not sufficient evidence to reject the null hypothesis. B. We can reject the null hypothesis that gender and enjoying shopping are independent.

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Description: A simple random sample of shoppers was collected in a large departmental store to study some certain consumer behaviours. Among the questions asked was, "do you enjoy shopping for clothing?" and "are you Male or Female?" Here are partial summarized

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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