The mean of 120 bags was found to be 30. What will be the correct mean if at…
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The mean of 120 bags was found to be 30. What will be the correct mean if at the time of calculation, two bags were wrongly taken as 32 and 18 instead of 35 and 27 ?
- A.
29.9
- B.
30.1
- C.
32.9
- D.
33.4
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Correct answer: B
