Answered: he average U.S. daily internet use at…

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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The average U.S. daily internet use at home is two hours and twenty minutes. A sample of 64 homes in Soddy-Daisy showed an average usage of one hour and 50 minutes with a standard deviation of 80 minutes. We are interested in determining whether or not the average usage in Soddy-Daisy is significantly different from the U.S. average.

a.	State the null and alternative hypotheses to be tested.
b.	Compute the test statistic.
c.	The null hypothesis is to be tested using α = .05. Determine the critical value(s) for this test.
d.	What do you conclude?

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