Math, asked by itsdhanusha3298, 11 months ago

If mean and standard deviation of 5 observations x₁, x₂, x₃, x₄, x₅ are 10 and 3, respectively, then the variance of 6 observations x₁, x₂, x₃ and –50 is equal to :
(A) 509.5 (B) 586.5
(C) 582.5 (D) 507.5

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Answered by aryan12326
1

hope above solution may be help u

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