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20-01-2017
Mathematics

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The mean of a set of data is 3.77 and its standard deviation is 3.39. Find the z score for a value of 6.19

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jimthompson5910 jimthompson5910

20-01-2017

z = (x - mu)/sigma
z = (6.19 - 3.77)/3.39
z = 0.71386430678467
z = 0.71

The approximate z score, rounded to two decimal places, is 0.71

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