October 22, 2014

Homework Help: stats

Posted by tim on Sunday, February 26, 2012 at 9:19pm.

. Each week during the first half of the semester, a sample of 50 students was polled to
determine how many of them had their homework done before class. The following arc
the results of the weekly polls:

Week # # of students with homework done

1 1
2 8
3 12
4 14
5 22
6 30
7 25
8 8

a. Calculate the median.

b. Calculate the standard deviation.

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