1.

Let x1, x2, x3, x4, x5 be the observations with mean m and standard deviations. The standard deviation of the observation kx1, kx2, kx3, kx4, kx5, is(a) k + s (b) sk c) ks (d) s

Answer» Let x1, x2, x3, x4, x5 be the observations with mean m and standard deviations. The standard deviation of the observation kx1, kx2, kx3, kx4, kx5, is

(a) k + s



(b) sk



c) ks



(d) s


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