The variance of the data 2, 4, 6, 8, 10 is: Options: A . &nbsp6 B . &nbsp7 C . &nbsp8 D . &nbspnone of these

Answer: Option C : C ¯ x = 6 , ∑ ( x − ¯ x ) 2 = 40 ∴ v a r i a n c e = σ 2 = 40 5 = 8

The variance of the data 2, 4, 6, 8, 10 is:

Question

The variance of the data 2, 4, 6, 8, 10 is:

Options:

A . 6

B . 7

C . 8

D . none of these

Answer: Option C
:
C

¯ x = 6, \sum (x - ¯ x)^{2} = 40 ∴ v a r i a n c e = σ^{2} = \frac{40}{5} = 8

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