JEE Main 2011 — Statistics Question with Solution
From: AIEEE 2011
Question
If the mean deviation about the median of the numbers a, 2a,........., 50a is 50, then |a| equals
Choose an option
Show full solutionCorrect option: A
Correct answer
A4
Step-by-step explanation
NOTE :
If total no of terms are even then median
[ th term th term]
Here total terms which is even
Median [ th term th term]
[ th term th term ]
[ ]
Mean deviation (M.D.) about the median
(given)
If total no of terms are even then median
[ th term th term]
Here total terms which is even
Median [ th term th term]
[ th term th term ]
[ ]
Mean deviation (M.D.) about the median
(given)
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This is a previous-year question from JEE Main 2011, covering the Statistics chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.