Question

A media streaming service allows users to watch shows on their smartphones or tablets. An analyst wondered if all the college students in a specific dorm spend a different amount of time watching shows on tablets than on smartphones. The students self-selected into one of the two groups and kept track of the daily time they watched programing for a month. The information is normally distributed with the following results: smartphone (N=67, Mean = 6.5 hours, Std Dev = 2.6) and tablet (N=72, Mean = 6.0 hours, Std Dev = 2.2) Calculate at 5% significance level.

a.What is the Null Hypothesis

b.What is the Alternative Hypothesis?

c.Is this a one or two tail test

d.What is your test statistic?

e.Reject or fail to reject?

Answer 1