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Harry had a z-score of 1.23 on a test that had a mean of 72 & σ (standard dev.) of 13. Harry's raw score was?

Harry had a z-score of 1.23 on a test that had a mean of 72 & a σ (standard dev.) of 13. Harry's raw test score was?


a. 102

b. 88

c. 78

d. 68

e. 52

or is it none of these

2007-04-19 16:13:42 · 1 answers · asked by chris 2 in Science & Mathematics ➔ Mathematics

1 answers

72+1.23*13=88 Or B

2007-04-19 16:18:10 · answer #1 · answered by bruinfan 7 · 1⤊ 0⤋

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