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The mean of 100 items is 51. It was disc...

The mean of 100 items is 51. It was discovered that three items, which should have been 50, 70, 60, were wrongly read as 40, 20, 50, respectively. The correct mean is:

A

52.3

B

51.7

C

48.6

D

50.8

Text Solution

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The correct Answer is:
B
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