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The mean of the following data is 9. Fin...

The mean of the following data is 9. Find the value of a.

A

12

B

10

C

9

D

18

Text Solution

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The correct Answer is:
D
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PEARSON IIT JEE FOUNDATION-STATISTICS -CONCEPT APPLICATION (LEVEL II)
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  8. The mean of the following data is 9. Find the value of a.

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  9. The mean of 5, 7, 8, 10, and 2x is x, then find the value of x.

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  10. The mean of p, q, and r is same as the mean of q, 2r, and s. then whic...

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  13. If the mode of the following data is 9, then find the median of the da...

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  14. If the difference between the mode and the median of certain observati...

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  15. If the median of (a)/(3) , (a)/(2), (a)/(4) , (2a)/(5) , (a)/(6) is 12...

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