Asked by Angie

What is the z-score for a test score of 440 in which the test has a normal distribution of N(400, 50)?

Answers

Answered by PsyDAG
Z = (score-mean)/SD
Answered by Anonymous
mean-score/sd
Answered by PsyDAG
Equation needs to be "score-mean" rather than the opposite, so scores above the mean will have a positive Z score and those below the mean will have a negative Z score.
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