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).
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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