Determine variance and standard deviation of grouped data

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Reference no: EM13250403

The following data give the blood pressures of 30 males whose ages are 30 to 40:
113 122 111 119 125 113 123 122 115 115

112 117 121 116 118 116 109 109 112 116

122 109 110 115 109 115 120 122 125 111

A. determine the mean, median, and mode

B. determine the variance and standard deviation

C. Pepare a frequency distribution tabl

D. Use this table of part c to determine the mean, median, and mode of the grouped data. Compare your results with those in part A, and comment.

E. use the frequency table of part C. to determine the variance and the standard deviation of the grouped data.

Reference no: EM13250403

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