SOLUTION: A Math test has a mean of 39 and standard deviation of 10.0. Find the corresponding z scores for: I. a test score of 82 II. A test score of 33

Algebra ->  Probability-and-statistics -> SOLUTION: A Math test has a mean of 39 and standard deviation of 10.0. Find the corresponding z scores for: I. a test score of 82 II. A test score of 33      Log On


   

Question 468244: A Math test has a mean of 39 and standard deviation of 10.0. Find the corresponding z scores for:

I. a test score of 82
II. A test score of 33
Answer by moshiz08(60) About Me  (Show Source):
You can put this solution on YOUR website!
To find the z score, you subtract the mean and then divide by the standard deviation. In your example, the z score for a test score of 82 is (82-39)/10 = 4.3. The z score for a test score of 33 is (33-39)/10 = -0.6