The table below shows the color and the model of cars purchased by 160 randomly selected customers at a car dealership in 2020. Model Color        Toyota         Hyundai Red           17              19 White         25              35 Black         35               29   Use a 5 percent level of significance to test the null hypothesis that color chosen and car model are independent. i Given that the chi-square test statistic, ?2, is 2.1183, find the p-value for test  ii. State the conclusion for the test.  iii. State 2 limitations of the chi-square test, ?2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.3: Measures Of Spread
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The table below shows the color and the model of cars purchased by 160 randomly
selected customers at a car dealership in 2020.


Model
Color        Toyota         Hyundai
Red           17              19
White         25              35
Black         35               29

 

Use a 5 percent level of significance to test the null hypothesis that color chosen and car model
are independent.

i Given that the chi-square test statistic, ?2, is 2.1183, find the p-value for test 
ii. State the conclusion for the test. 
iii. State 2 limitations of the chi-square test, ?2

thx

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