Mathematics · 2014
JEE Main · 9 April 2014, Shift 1 · Q86
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…
In a set of 2n distinct observations, each of the observation below the median of all the observations is increased by $\displaystyle 5$ and each of the remaining observations is decreased by 3. Then the mean of the new set of observations :
Official answer
(1)
increases by 1.
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JEE Main 2014 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.