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A researcher read that the average number of hours an adult sleeps on Friday night to Saturday morning was 7 . 2 hours on average.
A researcher read that the average number of hours an adult sleeps on Friday night to Saturday morning was hours on average. The researcher feels that college students do not sleep hours on average. The researcher randomly selected students and found that on average they slept hours. The standard deviation of the sample was hours. At is there enough evidence to say that college students do not sleep hours on average? points
a State both hypotheses.
b Find the critical values
c Compute the test value.
d Make the decision to reject or not to reject the null hypothesis by stating "Reject" or "Not Reject".
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