Question: YouTube would like to test the hypothesis that the average length of an online video watched by a user is more than 8 minutes. A

YouTube would like to test the hypothesis that the average length of an online video watched by a user is more than 8 minutes. A random sample of 37 people watched online videos that averaged 8.7 minutes in length. It is believed that the population standard deviation for the length of online videos is 2.5 minutes. YouTube would like to set = 0.02. The conclusion for this hypothesis test would be that because the test statistic is _____________________.

A. more than the critical value, we can conclude that the average length of an online video is more than 8 minutes

B. more than the critical value, we can conclude that the average length of an online video is not more than 8 minutes

C. less than the critical value, we can conclude that the average length of an online video is more than 8 minutes

D. Less than the critical value, we can conclude that the average length of an online video is not more than 8 minutes.

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2. To understand that as a general rule it takes about 3 minutes before the other part(s) have made up a 90% impression of you.

3. To understand that the first impression means a lot, and it takes a lot of energy to change this first impression.