Nationally, the average number of hours college students contributed to a governor’s election campaign to be no more than 10 hours a week. A random sample of 100 students averaged 8 hours a week with a standard deviation of 3 hours. Test the hypothesis that students in this sample contributed less hours to the campaign than the national college population? Set α=.05 level. What is the conclusion of the test?
A) Yes, students in this sample contributed less hours to the campaign than the national college population.
B) No, students in this sample did not contributed less hours to the campaign than the national college population.
C) The result is inconclusive.
Z test hypothesis calculation.
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