A group of 2000 individuals from 3 different cities were asked whether they own a foreign or a domestic car. The following contingency table shows the results of the survey. CITY Type of Car Detroit Atlanta Denver Total Domestic 80 200 520 800 Foreign 120 600 480 1200 Total 200 800 1000 2000 At α = 0.01 using the p-value approach, test to determine if the number of domestic cars is uniformly distributed across the cities. The data is also stored in
A group of 2000 individuals from 3 different cities were asked whether they own a foreign or a domestic car. The following contingency table shows the results of the survey. CITY Type of Car Detroit Atlanta Denver Total Domestic 80 200 520 800 Foreign 120 600 480 1200 Total 200 800 1000 2000 At α = 0.01 using the p-value approach, test to determine if the number of domestic cars is uniformly distributed across the cities. The data is also stored in
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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A group of 2000 individuals from 3 different cities were asked whether they own a foreign or
a domestic car. The following
CITY
Type of Car Detroit Atlanta Denver Total
Domestic 80 200 520 800
Foreign 120 600 480 1200
Total 200 800 1000 2000
At α = 0.01 using the p-value approach, test to determine if the number of domestic cars is
uniformly distributed across the cities. The data is also stored in the file named Cars.
a. State the null and the alternative hypotheses.
b. Compute the test statistic.
c. What is the p-value associated with the above sample results?
d. At 99% confidence, what is your conclusion?
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