Question

Exercise 30 reported on a survey of senior year students at M.I.T. who intended to enter the workforce immediately after graduation..Suppose the “number of interviews” relative frequency distribution looked like this:
Number of Interviews x Proportion of Students P(x)
3.................... .043
4.................... .095
5.................... .136
6.................... .192
7.................... .235
8.................... .177
9.................... .122
a. Use the relative frequency table to compute the mean number of interviews for the students in the survey.
b. Determine the median number of interviews.
c. Compute the variance and the standard deviation of the interviews data.


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  • CreatedJuly 16, 2015
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