Tobacco and Alcohol Use in Animated Children’s Movies: A data set in lists times (in seconds) that animated children’s movies show tobacco use and alcohol use. The 50 times of tobacco use have a mean of 57.4 sec and a standard deviation of 104.0 sec. The 50 times of alcohol use have a mean of 32.46 sec and a standard deviation of 66.3 sec. Assuming that we want to use the methods of this section to test the claim that the times of tobacco use and the times of alcohol use have different standard deviation, identify the F test statistic, P-value, and conclusion. Use a 0.05 significance level. Determine the hypotheses: Test statistic: ______________________________ P-value: ____________________ Conclusion:

The null and alternative hypothesis is, The type of test is two tailed test.

Answered: Tobacco and Alcohol Use in Animated…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Tobacco and Alcohol Use in Animated Children’s Movies: A data set in lists times (in seconds) that animated children’s movies show tobacco use and alcohol use. The 50 times of tobacco use have a mean of 57.4 sec and a standard deviation of 104.0 sec. The 50 times of alcohol use have a mean of 32.46 sec and a standard deviation of 66.3 sec. Assuming that we want to use the methods of this section to test the claim that the times of tobacco use and the times of alcohol use have different standard deviation, identify the F test statistic, P-value, and conclusion. Use a 0.05 significance level.

Determine the hypotheses:

Test statistic: ______________________________ P-value: ____________________

Conclusion:

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