SOLUTION: 1. A data set has a z-score of 3 for the value 32 and a mean of 20. Find the standard deviation.

Algebra ->  Probability-and-statistics -> SOLUTION: 1. A data set has a z-score of 3 for the value 32 and a mean of 20. Find the standard deviation.      Log On


   

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) About Me  (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.