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C. d. What is the p-value? If your answer is less than .01, wri 0 Do we reject the null hypothesis at a = .05? A. Yes AT

C. d. What is the p-value? If your answer is less than .01, wri 0 Do we reject the null hypothesis at a = .05? A. Yes AT

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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Car manufacturers are interested in whether there is a relationship between the size of car an individual drives and the number of people in the driver's family (that is, whether car size and family size are independent). To test this, suppose that 800 car owners were randomly surveyed with the results below. Conduct a test of independence. Family Size Sub & Compact Mid-size Full-size Van & Truck 1 35 40 35 2 50 3-4 50 5+ 30 a. C. df = d. 3 b. What is the x² test statistic? 20 20 20 $20 0 70 100$$ 70 What is the p-value? If your answer is less than .01, write 0. 80 90 70 Do we reject the null hypothesis at a = .05? A. Yes B. No
Transcribed Image Text:Car manufacturers are interested in whether there is a relationship between the size of car an individual drives and the number of people in the driver's family (that is, whether car size and family size are independent). To test this, suppose that 800 car owners were randomly surveyed with the results below. Conduct a test of independence. Family Size Sub & Compact Mid-size Full-size Van & Truck 1 35 40 35 2 50 3-4 50 5+ 30 a. C. df = d. 3 b. What is the x² test statistic? 20 20 20 $20 0 70 100$$ 70 What is the p-value? If your answer is less than .01, write 0. 80 90 70 Do we reject the null hypothesis at a = .05? A. Yes B. No
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