The mean of 9 observations is 16. One more observation is included and the new mean becomes 17. The 10th observation is

The mean of 9 observations is 16. One more observation is included and

1.	The mean of 9 observations is 16. One more observation is included and the new mean becomes 17. The 10th observation is
A.	9
B.	16
C.	26
D.	30
Answer» D. 30

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The mean of 9 observations is 16. One more observation is included and the new mean becomes 17. The 10th observation is

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