A) 11
B) 10
C) 12
D) 13
Correct Answer: A
Solution :
(a): Sum of 10 observations \[=10\times 5.5=55\]with one more observation, sum of 11 observations \[=11\times 6=66\] \[\therefore \] 11th observation (new observation) \[=66-55=11\]You need to login to perform this action.
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