Antoinette M.

asked • 09/09/20

Here are the numbers of calls received during 8 randomly chosen,15-minute time intervals at a customer support service: 21, 12, 18, 20, 22, 10, 8, 14

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Jon S. answered • 09/09/20

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The mean is found by summing the numbers and dividing by the sample size = 125/8 = 15.625


There is no mode as no value occurs more than once.


The median is found by first ordering the data:

8,10,12,14,18,20,21,22


14 and 18 are the two middle values (3 values to the left and right of them), so the median is their average = 16.

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