Math, asked by ss4051461, 11 months ago

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Answered by BRAINLYBOOSTER12
5

♂️ Σ f_{i} denotes the sum of all the frequencies of all the class boundaries respectively.

♂️ Hence, Σ f_{i} = 4+5+12+2+2 = 25

♂️  x_{i} for each class boundary is the mid-value of that class boundary.

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