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Frequency distribution: mean and standard deviation

Determine the mean and the standard deviation of the following frequency distribution.

CLASS FREQUENCY

0 UP TO 5 2
5 UP TO 10 7
10 UP TO 15 12
15 UP TO 20 6
20 UP TO 25 3

Solution Summary

This solution provides step-by-step calculations for finding mean and standard deviation of a frequency distribution.

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