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Find the mean for the following distribution using step Deviation Method. Class Interval 0-8 8-16 16-24 24-32 32-40 40-48

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Find the mean for the following distribution using step Deviation Method.

Class Interval 0-8 8-16 16-24 24-32 32-40 40-48
Frequency(f) 10 20 4 16 18 22
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Let Assumed mean A = 28, Class width C = 8

Mean = \(\bar{X}\)

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