Question

The following frequency distribution table shows staffng levels (number of offcers reporting) for the 50 most recent shifts at Metropolitan Police Headquarters:
Staff Level (Number of Offcers) x Number of Shifts f(x)
40......................... 13
41......................... 7
42......................... 5
43......................... 5
44......................... 7
45......................... 13
Total = 50
a. Show the frequency bar chart for the data.
b. Compute the mean, the variance and the standard deviation for the staffng data.
c. Identify the median and the mode.
d. Use vocabulary from the chapter to describe the shape of the distribution.


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  • CreatedJuly 16, 2015
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