SOLUTION: Erin's z score on a college entrance exam is 1.5. If the raw scores have a mean of 490 and a standard deviation of 40 points, what is her raw score?
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Question 807472: Erin's z score on a college entrance exam is 1.5. If the raw scores have a mean of 490 and a standard deviation of 40 points, what is her raw score?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
A Z-score of 1.5 means one and one-half standard deviations above the mean. 490 plus 40 plus 20.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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