Asked by Mariah

A given distribution has a mean of 60. A score of 75 had a corresponding z of +2.00. The standard deviation is

Answers

Answered by MathGuru
Solve using z-scores.

z = (x - mean)/sd

Plug into the formula what you know from the problem.

2 = (75 - 60)/sd

Solve for sd (standard deviation).

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