The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is

The mean of 14 observations is 11. One more observation is included an

1.	The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is
A.	20
B.	24
C.	26
D.	28
Answer» D. 28

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The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is

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