Asked by Andrew
For a sample with a mean of M=85, a score of X=90 corresponds to a z-score of z=1.00. What is the sample standard deviation?
Answers
Answered by
drwls
Since (Score-Mean)= 90 - 85
= z*(std. deviation) = 5 ,
std. deviation = 5/z = 5/1.00 = 5
= z*(std. deviation) = 5 ,
std. deviation = 5/z = 5/1.00 = 5
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