Homework Help: statistics

Posted by Charlie on Sunday, April 3, 2011 at 3:25pm.

Three students take equivalent stress tests. Which is the highest relative score?

a. A score of 144 on a test with a mean of 128 and a standard deviation of 34.
b. A score of 90 on a test with a mean of 86 and a standard deviation of 18.
c. A score of 18 on a test with a mean of 15 and a standard deviation of 5.

statistics - PsyDAG, Monday, April 4, 2011 at 11:09am
Z = (score-mean)/SD

The highest Z score has the highest relative score.
statistics - mey, Monday, December 12, 2011 at 12:43am
a

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