A) 42.9
B) 40.1
C) 42.4
D) 44.9
Correct Answer: D
Solution :
[d] Total of 30 observation \[=45\times 30=1350\] Total of 33 observation \[=1350+42+44+48\] = 1484 New average \[=\frac{1484}{33}=44.97\]You need to login to perform this action.
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