1.

If the coefficient of variation and standard deviation of the distributions are 60 and 21 respectively, find the arithmetic mean of the distribution.

Answer»

C.V. = 60, σ = 21, X̄ = 2,

Formula: C.V.= σ/X x 100

60 = 21/X x 100

∴ X̄ = (21 x 100)/60 = 35



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