SOLUTION: Given a mean of 52.3 adn a standard deviation of 1.8. What is the z-score of the value 51.8. Round the the nearest tenth.

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Question 448984: Given a mean of 52.3 adn a standard deviation of 1.8. What is the z-score of the value 51.8. Round the the nearest tenth.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

Given a mean of 52.3 adn a standard deviation of 1.8

z-score of the value 51.8 = (51.8-52.3)/1.8 = -.3 (rounded to the nearest tenth)