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Mathematics · 2013
JEE Main 2013 · 2013-04-07 Offline · Q19
All the students of a class performed poorly in Mathematics. The teacher decided to give grace marks of 10 to each of the students. Which of the…
All the students of a class performed poorly in Mathematics. The teacher decided to give grace marks of $\displaystyle 10$ to each of the students. Which of the following statistical measures will not change even after the grace marks were given ?
Official answer
(1)
variance
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