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A researcher would like to know which factors are most important to people who are buying a new car. A sample of n = 200 customers between the ages of 20 and 29 are asked to identify the most important factor in the decision process: Performance, Reliability, or Style. The researcher would like to know whether there is a difference between the factors identified by women compared to those identified by men The data are as follows: Observed Frequencies of Most Important Factor According to Gender Performance Reliability Style Totals Male 21 33 26 80 Female 19 67 34 120 Totals 40 100 60 a. State the null hypotheses. b. Determine the value for df for the chi-square test. c. Compute the expected frequencies.

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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570
BuyFind

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

Solutions

Chapter
Section
Chapter 15.3, Problem 1LC
Textbook Problem

A researcher would like to know which factors are most important to people who are buying a new car. A sample of n = 200 customers between the ages of 20 and 29 are asked to identify the most important factor in the decision process:

Performance, Reliability, or Style. The researcher would like to know whether there is a difference between the factors identified by women compared to those identified by men The data are as follows:

  Observed Frequencies of Most Important Factor According to Gender  
  Performance Reliability Style Totals
Male 21 33 26 80
Female 19 67 34 120
Totals 40 100 60  
  • a. State the null hypotheses.
  • b. Determine the value for df for the chi-square test.
  • c. Compute the expected frequencies.

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