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In a survey of smartphone usage, randomly selected users were asked to record their talk time in minutes per day. The results are shown below. 17 15 12 11 10 12 10 11 12 17 11 13 14 14 16 15 10 14 14 10 Use a 0.10 significance level to test the claim that the mean talk time for smartphone users is less than 14 minutes per day. Identify the null and alternate hypotheses.

In a survey of smartphone usage, randomly selected users were asked to record their talk time in minutes per day. The results are shown below. 17 15 12 11 10 12 10 11 12 17 11 13 14 14 16 15 10 14 14 10 Use a 0.10 significance level to test the claim that the mean talk time for smartphone users is less than 14 minutes per day. Identify the null and alternate hypotheses.

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
Section: Chapter Questions
Problem 8CR
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In a survey of smartphone usage, randomly selected users were asked to record their talk time in minutes per day. The results are shown below. 17 15 12 11 10 12 10 11 12 17 11 13 14 14 16 15 10 14 14 10 Use a 0.10 significance level to test the claim that the mean talk time for smartphone users is less than 14 minutes per day. Identify the null and alternate hypotheses. T T TArial 3 (12pt)
Transcribed Image Text:In a survey of smartphone usage, randomly selected users were asked to record their talk time in minutes per day. The results are shown below. 17 15 12 11 10 12 10 11 12 17 11 13 14 14 16 15 10 14 14 10 Use a 0.10 significance level to test the claim that the mean talk time for smartphone users is less than 14 minutes per day. Identify the null and alternate hypotheses. T T TArial 3 (12pt)
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