topic: CENTRALIZATION AND DISPERSION MEASURES GROUPED DATA The time (in seconds) that a sample took number of employees to perform a task is   23  35  14  37  28  45 12  40  27  13  26  25 37  20  29  49  40  13 27  16  40  20  13  66   A. Find the average time B. Find the standard deviation. C. Find the summary of five numbers D. Find the coefficient of variation.

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topic: CENTRALIZATION AND DISPERSION MEASURES GROUPED DATA

The time (in seconds) that a sample took number of employees to perform a task is

 

23  35  14  37  28  45

12  40  27  13  26  25

37  20  29  49  40  13

27  16  40  20  13  66

 

A. Find the average time

B. Find the standard deviation.

C. Find the summary of five numbers

D. Find the coefficient of variation.

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