b) 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 Black 25 35 35 29 Use a 5 percent level of significance to test the null hypothesis that color chosen and car model are independent. State the null and alternative hypotheses for this test. Calculate: i. ii. a. the expected frequency for red vehicle and the Toyota model b. the chis-square contribution, x², for red vehicle and the Toyota model Given that the chi-square test statistic, x2, is 2.1183, find the p-value for test | State the conclusion for the test. i. ii. iii. State 2 limitations of the chi-square test, x.
b) 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 Black 25 35 35 29 Use a 5 percent level of significance to test the null hypothesis that color chosen and car model are independent. State the null and alternative hypotheses for this test. Calculate: i. ii. a. the expected frequency for red vehicle and the Toyota model b. the chis-square contribution, x², for red vehicle and the Toyota model Given that the chi-square test statistic, x2, is 2.1183, find the p-value for test | State the conclusion for the test. i. ii. iii. State 2 limitations of the chi-square test, x.
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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Question
answer part b sections i, ii and iii
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