were asked whether they picked their current

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A study was conducted by a car manufacturer concerning a particular make and model.   A group of 500 potential customers were asked whether they picked their current car by its appearance, performance or cost.   The results are shown in the table below:

  Appearance Performance Cost Totals
Male customer 100 50 35 185
Female customer 80 170 65 315
Totals 180 220 100 500

C.   What is the critical value, using a 1% level of significance?

 

D.  What is the expected value for a male picking his car by appearance?

 

E.   What is the test statistic?   Report to 3 decimal places.

 

F.   What is the conclusion?

  • The variables are independent.
  • The variables are dependent.
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