Freshmen at public universities work 12.2 hours a week for pay, on average and the SD is 10.5 hours. At private universities, the average is 10.4 hours and the SD is 9.9 hours. Assume these data are based on two independent simple random samples, each of size 900. What is the p-value of the null hypothesis that average number of weekly works hours is the same between freshmen in public and private universities? Use a two-tailed test and choose the closest answer. Group of answer choices 9.9% 0.02% 2.8% 88%

Freshmen at public universities work 12.2 hours a week for pay, on average and the SD is 10.5 hours. At private universities, the average is 10.4 hours and the SD is 9.9 hours. Assume these data are based on two independent simple random samples, each of size 900. What is the p-value of the null hypothesis that average number of weekly works hours is the same between freshmen in public and private universities? Use a two-tailed test and choose the closest answer. Group of answer choices 9.9% 0.02% 2.8% 88%

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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