The standard deviation of the advising department and the


The advising department of AUL revealed that it takes on average of 21 minutes helping each of 10 students preparing their thesis. The thesis instructor stated that she spent an average of 27 minutes helping 14 people prepare their thesis. The standard deviation of the advising department and the thesis instructor is 5.6 minutes and 4.3 minutes respectively. At α = 0.05, is there a difference in the average time spent by the two services?

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Basic Statistics: The standard deviation of the advising department and the
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