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If mean and standard deviation of 5 observation x1, x2, x3, x4, x5 are 10 and 3, respectively, then the variance of 6 observation x1, x2, … , x5 and −50 is equal to :


Question ID - 56890 | Toppr Answer

If mean and standard deviation of 5 observation x1, x2, x3, x4, x5 are 10 and 3, respectively, then the variance of 6 observation x1, x2, … , x5 and −50 is equal to :

1 Answer - 5876 Votes

3537

Answer Key : (507.5) -

=10⇒

S.D=

Variance=

=507.5



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