A) 30
B) 75
C) 35
D) 60
Correct Answer: B
Solution :
[b] By adding 6 to each of the observations, their average will be 6 more i.e., \[24+6=30\] Now, by multiplying 2.5 in each of the observation, AM will also be multiplied by 2.5. Thus, new\[\text{AM}=30\times 2.5=75\] |
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