The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-

The average of 6 observations is 45.5. If one new observation is added

1.	The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-
A.	6
B.	0
C.	6
D.	8
Answer» D. 8

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The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-

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