JEE Main 2004 — Statistics Question with Solution
From: AIEEE 2004
Question
In a series of 2n observations, half of them equal and remaining half equal . If the
standard deviation of the observations is 2, then equals
Choose an option
Show full solutionCorrect option: A
Correct answer
A2
Step-by-step explanation
Mean
Given standard deviation (S.D) = 2
Given standard deviation (S.D) = 2
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This is a previous-year question from JEE Main 2004, 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.