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What is the percentile rank of a score of 170

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Reference no: EM132848015

A criminologist developed a test to measure recidivism, where low scores indicated a lower probability of repeating the undesirable behavior. The test is normed so that it has a mean of 140 and a standard deviation of 40.

A) What is the percentile rank of a score of 170?

B) What is the Z score for a test score of 190?

C) What percentage of scores falls between 110 and 150?

D) What proportion of respondents should score above 180?

Reference no: EM132848015

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