A group of students estimated the length of one minute without reference to a watch orclock, and the times(seconds) are listed below. Use a 0.01 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating oneminute?

70,79,40,65,40,27,63,66,66,51,65,70,91,88,66

Determine the test statistics?