What is the variance of 82,44,67,52,120 ?

The variance of 82,44,67,52,120 is 902

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variance of 82,44,67,52,120

variance

82, 44, 67, 52, 120

902

Solution steps

Compute the average,

\overset{x}{ˉ} : 73

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 3608

Compute the number of terms in the data set:

n = 5

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 902

902

0.154, 0.15, 0.146, 0.162, 0.162, 0.152, 0.156, 0.152, 0.158, 0.152, 0.178

3, 832, 3, 779, 3, 655, 3, 642, 3, 579

7 C 2

2 P 2

58, 84, 73, 1, 54, 26, 85

What is the variance of 82,44,67,52,120 ?
The variance of 82,44,67,52,120 is 902