Question

The mean of the following data is______. The variance is______ . The standard deviation is_______ ....

The mean of the following data is______. The variance is______ . The standard deviation is_______ .
132, 141, 102, 150, 135, 162, 134

Math   Statistics-And-Probability   
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Answer #1

132, 141, 102, 150, 135, 162, 134

Mean = sum of all terms/ no of terms = 957 / 7 = 136.5714

Mean = 136.5714

data data-mean (data - mean)2
132 -4.5714 20.89769796
141 4.4286 19.61249796
102 -34.5714 1195.18169796
150 13.4286 180.32729796
135 -1.5714 2.46929796
162 25.4286 646.61369796
134 -2.5714 6.6120979600001

Standard deviation = 18.5819

Variance

var = 345.2857

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