The mean marks of 30 students in a class is 58.5. Later on, it was – McqOptions

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1.	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.
A.	57.1
B.	58.1
C.	59.1
D.	80.1
Answer» D. 80.1

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