Multiple Choice
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 α = 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
B) less than the critical value, we can conclude that the average length of an online video is more than 8 minutes
C) less than the critical value, we can conclude that the average length of an online video is not more than 8 minutes
D) more than the critical value, we can conclude that the average length of an online video is not more than 8 minutes
Correct Answer:

Verified
Correct Answer:
Verified
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