1.

For a frequency distribution, skewness Sk = – 2.8. If its mode is 48.8, find mean.

Answer»

Sk = – 2.8, M0 = 48.8, x̄ =?
Now, Sk = x̄ – M0
∴ -2.8 = x̄ – 48.8
∴ 48.8 – 2.8 = x̄
∴ x̄ = 46



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