SOLUTION: 1. A data set has a z-score of 3 for the value 32 and a mean of 20. Find the standard deviation.
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Question 197124: 1. A data set has a z-score of 3 for the value 32 and a mean of 20. Find the standard deviation.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Recall, the z score can be found by the formula
where 
is the mean and 
is the standard deviation.
So all you have to do is plug in the corresponding values to get:
and solve for to get the standard deviation.
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