Solution-Determine the mean and the standard deviation

Determine the mean and the standard deviation

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

Class	Frequency
20 up to 30	7
30 up to 40	12
40 up to 50	21
50 up to 60	18
60 up to 70	12

Reference no: EM13867716

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Determine the mean and the standard deviation

Reference no: EM13867716

Reference no: EM13867716

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