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JEEMAIN-2014
In a set of 2n distinct observations , each of the observation below the median of all the observations is increased by 5 and each of the remaining observations is decreased by 3.Then the mean of the new set of observations :
(a) increases by 1\[\](b) decreases by 1\[\](c) decreases by 2\[\](d) increases by 2
jeemain
mathematics
2014
set-01
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asked
May 8, 2014
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yamini.v
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