The sample standard deviation

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Reference no: EM13913760

3) The exam grades of 7 students are given below.

70 , 66 , 72 , 96 , 46 , 90 , 50

Find

a) the mean

b) the sample standard deviation

Reference no: EM13913760

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The sample standard deviation : 3) The exam grades of 7 students are given below. 70 , 66 , 72 , 96 , 46 , 90 , 50
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