SOLUTION: A standardized test has a mean score of 450. The standard deviation is 108. The student scored 505. What is the Z-score?

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Question 607538: A standardized test has a mean score of 450. The standard deviation is 108. The student scored 505. What is the Z-score?
Answer by nerdybill(7384) About Me  (Show Source):
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A standardized test has a mean score of 450. The standard deviation is 108. The student scored 505. What is the Z-score?
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z = (505-450)/108
z = 55/108
z = 0.51