What is the variance of 96,131,138,142,150,151,156,156,156,165 ?

The variance of 96,131,138,142,150,151,156,156,156,165 is 385.65555…

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variance of 96,131,138,142,150,151,156,156,156,165

variance

96, 131, 138, 142, 150, 151, 156, 156, 156, 165

385.65555 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 144.1

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 3470.9

Compute the number of terms in the data set:

n = 10

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 385.65555 \dots

385.65555 \dots

35, 40.1, 31.8, 25.4, 39.5, 17.4, 27.6, 28, 26.6, 27.1

20 n C r 0

1, 2, 3, 4, 5

132, 29, 31, 2, 44, 5, 79, 1

- 5, 0, 1, 3, 8

What is the variance of 96,131,138,142,150,151,156,156,156,165 ?
The variance of 96,131,138,142,150,151,156,156,156,165 is 385.65555…