the mean marks of 30 students in a class is 58.5. later on, it was found that

Question

the mean marks of 30 students in a class is 58.5. later on, it was found that 75 was wrongly recorded as 57. find the correct mean.

Options:

A . 57.1

B . 58.1

C . 59.1

D . 80.1

Answer: Option C
Explanation :

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