- fixi - 6Y - 4 and - fi - 8- If the mean of the distribution is 7- what is the value of Y-

∵ Mean = Σf_ix_i/Σf_i ⇒ 7 = 6Y 4/8 ⇒6Y – 4 = 7 x 8 = 56 ⇒6Y = 56 + 4 = 60 ⇒Y = 10 ...

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Mean - Grouped Data

∑ fixi = 6Y -...

Question

$\sum f_{i} x_{i} = 6 Y - 4$ and $\sum f_{i} = 8$ . If the mean of the distribution is 7, what is the value of Y?

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