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If fi, Fi, F'i are respectively the freq...

If `f_i, F_i, F'_i` are respectively the frequency less than type cumulative frequency, greater than type cumulative frequency of i-th class and N be the total freqnency then which of the following is correct?

A

`N = F_i + F'_i`

B

`N = F_i + F'_i + f_i`

C

`N = F_i + F'_i` - f_i`

D

None of these

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UNITED BOOK HOUSE-Question Paper 2015-Exercise
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