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Eamcet Mathematics
Statistics - Measures of Central Tendency
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Q.
Mean of 100 items is 49. It was discovered that three items which should have been 60, 70, 80 were wrongly read as 40, 20, 50 respectively. The correct mean is.
A.
48
B.
82 1/2
C.
80
D.
50
E.
None of the above
View Answer
Correct choice: D
Explanation:
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