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Description: A consultant for a large university studied the number of hours per week freshmen watch TV versus the number of hours seniors do. The results of this study follow. Is there enough evidence to show the mean number of hours per week freshmen watch TV i

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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A consultant for a large university studied the number of hours per week freshmen watch TV versus the number of hours seniors do. The results of this study follow. Is there enough evidence to show the mean number of hours per week freshmen watch TV is different from the mean number of hours seniors do at α=0.1?

	Freshmen	Seniors
n	9	5
xbar	19.0	11.7
s	7.8740	3.9749

For the hypothesis statement above (in terms of Seniors - Freshmen), what is the decision?

Expert Solution

Given

$n_{1} = 9 n_{2} = 5 \bar{x_{1}} = 19.0 \bar{x_{2}} = 11.7 s_{1} = 7.8740 s_{2} = 3.9749 α = 0.1$

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