SOLUTION: Math test has a mean of 41 and standard deviation of 5.0. Find the corresponding z scores for: I. a test score of 18 II. a test score of 55 Please show all of your wor

Algebra ->  Probability-and-statistics -> SOLUTION: Math test has a mean of 41 and standard deviation of 5.0. Find the corresponding z scores for: I. a test score of 18 II. a test score of 55 Please show all of your wor      Log On


   

Question 480972: Math test has a mean of 41 and standard deviation of 5.0. Find the corresponding z scores for:

I. a test score of 18
II. a test score of 55

Please show all of your work.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Math test has a mean of 41 and standard deviation of 5.0. Find the corresponding z scores for:
I. a test score of 18
z(18) = (18-41)/5 = -23/5 = -4.6
========================================

II. a test score of 55
z(55) = (55-41)/5 = 14/5 = 2.8
==================================
Cheers,
Stan H.