SOLUTION: Given the following set of sample raw scores, X: 1,3,4,6,8 What is the z-score for a raw score of 3?

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Question 950046: Given the following set of sample raw scores,
X: 1,3,4,6,8
What is the z-score for a raw score of 3?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Using the points,
Sample average
mu=4.4
Sample standard deviation
sigma=2.7
So then,
z=%283-4.4%29%2F2.7
z=-0.518