Z-Score Practice Worksheet

Thus, a z-score of 1.5 is 1 ½ sd above the mean, and a z-score of –2 is 2 sd below the mean. sample z: population z: Examples: Suppose you took 3 midterm examinations in Math, English, and Biology, and you want to compare your scores: Math English Biology your score 90 85 93 Mean 85 82 94 Standard deviation 5 2 1 z-score 1. ................
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