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If the means of five observation x, x + ...

If the means of five observation x, x + 2, x + 4, x + 6, x + 8, is 11 then the mean of first three observation is

A

9

B

11

C

13

D

15

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If the mean of five observations x, x+2 , x+4 , x+6 , x+8 , is 11 , then the mean of first three observations is

    A
    9
    B
    11
    C
    13
    D
    15

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