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Organization of Data

Mean of 11, 1...

Question

Mean of 11, 10, 12, 12, 9, 10, 14, 12, 9 is ______ .

A

14

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B

11

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C

20

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D

10

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Solution

The correct option is B
11

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Similar questions

If mean of and is 11, find the mean of first three observations.

A_{1}, A_{2}, A_{3}, . . ., A_{11}

11

arithmetic means and

H_{1}, H_{2}, H_{3}, . . ., H_{11}

11

harmonic means and

G_{1}, G_{2}, G_{3}, . . ., G_{11}

11

geometric means between

1

9

, and the value of

5 \prod k = 1 A_{k} \cdot G_{12 - 2 k} \cdot H_{12 - k}

N

. Then which of the following is\are correct?

\times

\div

' means '-', '-' means '

\times

' and '+' means '

\div

\times

\div

11 - 3 + 121:=.

The arithmetic mean of 25 and 11 is ________

+

\times

\div

-

\times

\div

-

+

, what will be the value of

4 + 11 \div 5 - 55 =

?

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