A) 5
B) 3
C) 3.5
D) 4.5
Correct Answer: A
Solution :
[a] \[\because \]Sum of 10 item \[=6\times 10=60\] Sum of 4 item \[=4\times 7.5=30.0\] Sum of remining 6 items \[=60-30=30.\] Mean of remaining 6 items \[=\frac{30}{6}=5\]You need to login to perform this action.
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