What is the variance of 12.5,12.7,14.9,11.3,11.7,10.9 ?

The variance of 12.5,12.7,14.9,11.3,11.7,10.9 is 2.05466…

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

variance of 12.5,12.7,14.9,11.3,11.7,10.9

variance

12.5, 12.7, 14.9, 11.3, 11.7, 10.9

2.05466 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 12.33333 \dots

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 10.27333 \dots

Compute the number of terms in the data set:

n = 6

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 2.05466 \dots

2.05466 \dots

C (20, 2)

55, 55, 50, 52, 46, 38, 47, 51, 55, 56

42, 45, 58, 63

2, 3, 1, 4, 4, 3, 4, 12, 15, 1, 4

12, 5, 8, 10

What is the variance of 12.5,12.7,14.9,11.3,11.7,10.9 ?
The variance of 12.5,12.7,14.9,11.3,11.7,10.9 is 2.05466…