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# Descriptive Statistics

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1) The following data are the number of calls 20 customer support reps took in 1 hour;
10, 15, 15, 18, 20, 21, 22, 24, 24, 25, 26, 26, 26, 28, 30, 31, 33, 38, 40, 42

a) Find the Median
b) Find the Mean
c) Midrange
d) Find the Mode
e) Find the Range
f) Draw a stem and leaf display of the task performance times above.

https://brainmass.com/statistics/quantative-analysis-of-data/descriptive-statistics-median-mean-mid-range-mode-range-241739

#### Solution Preview

See the attached file.

The stem-and-leaf chart is:

1| 0, 5, 5, 8
2| 0, 1, 2, 4, 4, 5, 6, 6, 6, 8
3| 0, 1, 3, 8
4| 0, 2

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1) The following data are the number of calls 20 customer support reps took in 1 hour;
10, 15, 15, 18, 20, 21, 22, 24, 24, 25, 26, 26, 26, 28, 30, 31, 33, 38, 40, 42

a) Find the Median

The median is the "middle" number. The data is already sorted for us -- if there were an odd number of calls, the "middle" would be easy. However, with an even number of calls, we need to find ...

#### Solution Summary

The solution assists with finding median, mean, mid-range, mode, range; make stem and leaf chart.

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