If the standard deviation of a normal distribution were equal to 15 and
someone had a raw score of 122, which fell at the 90th percentile, then
the mean
a. must be greater than 122
b. must be less than 122
c. must be between 90 and 122
d. could not be found from the above information
Question 2
The percentile value for a given raw score must always be at least 50 or
above whenever
a. the mean is greater than the raw score
b. the raw score is more than 1 percentage point away from the mean
c. the equivalent z score is greater than 50
d. the equivalent z score is positive
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