Friday, July 31, 2009

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 %26amp; 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

Harry had a z-score of 1.23 on a test that had a mean of 72 %26amp; σ (standard dev.) of 13. Harry's raw score was?
72+1.23*13=88 Or B


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