The arithmetic mean of 100 observation is 40. Later, it was found that – McqOptions

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1.	The arithmetic mean of 100 observation is 40. Later, it was found that an observation '53' was wrongly read as '83'. What is the correct arithmetic mean?
A.	39.8
B.	39.7
C.	39.6
D.	39.5
Answer» C. 39.6

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