Find standard deviation and viarance of sample data

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1) Find the viarance for the given data. Round your answer to one or more decimal place than the original data. 5.1,4.7,8.8,3.5,5.6

Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the original data.

1) The manager of an electrical supply stored measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in meters) are listed below.

0.29 0.223 0.31 0.549 0.667 0.184 0.462

2) The numbers listed below represent the amount of precipotation ( in inches) last year in six different U.S. cities.
16.7 12.0 39.1 48.7 14.1 21.6

Reference no: EM13116351

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