If you multiply each entry of a set by 3 and added 1, how would...

framtalshg

framtalshg

Answered

2022-01-29

If you multiply each entry of a set by 3 and added 1, how would the mean and standard deviation change?

Answer & Explanation

Matias Lang

Matias Lang

Expert

2022-01-30Added 10 answers

Let Y=3X+1, then if x and σ are the mean and S.D. of X, then those of y are respectively y=3x+1 and
σy=3σx

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