Math, asked by avneet0073, 9 months ago

3. If x's are the mid points of the class intervals of grouped data, f's are the
corresponding frequencies and is the mean, then (, x. - 7) is equal to​

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Answered by ayush375749
3

Answer:

If x's are the mid-points of the class intervals of a grouped data.fl's are the corresponding frequencies and x is the mean, then find ∑ fi (xi-x) .

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