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19 The data below represents the grades of 12 students on a statistics test If...

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19 The data below represents the grades of 12 students on a statistics test If the mean is 79 and the standard deviation is 13 1 how many students have a Z score greater than 1 1 56 64 68 70 72 77 80 83 89 92 97 100 Gina Wilson All Things Algebra 2015

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