CBSE BOARD X, asked by ami1234, 1 year ago

what is the formula of Arithmetic mean

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Answered by Anonymous
2
the formulae is give in the figure

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Answered by bhupesh99
1
mean = sum of observations / no of observations
mean = sum fixi/sum of fi (for direct method)
mean = sum of fidi/sum of fi + a (for assumed method)
mean = a+sum of Fiji/ sum of fi × h
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