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A Set of 80 Sociology Tests with a Normal Distribution

Question 26

Multiple Choice

A set of 80 sociology tests with a normal distribution has a mean score of 65 and a standard deviation of 8. Shellie scored in the 90th percentile of the class. What score did she receive?


A) 0.52 = (Xi + 65) /8 = 60.84
B) 1.28 = (65 - Xi) /80 = 63.44
C) 1.28 = (Xi - 65) /8 = 75.24
D) 100 = (Xi + 10) /1 = 90

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