Math, asked by watilongkumer34, 1 year ago

Mean of n no. is x. If each observation is multiplied by 4,what will be the new mean

Answers

Answered by Anonymous
6
Mean of 'n' numbers = x
When each observation is multiplied by 4,
New mean = 4*x = 4x
[concept: mean = x... sum total = n*x.. now,when each term is multiplied by '4', sum total = 4*n*x(since 4 is added with each term)..so,new mean = 4*n*x/n = 4x]

Hope it helps.
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