JEE Main 2024MathematicsStatisticsCalculation Of Standard Deviation Variance And Mean Deviation Of Grouped And Ungrouped DatamediumMCQ

JEE Main 2024Statistics Question with Solution

From: JEE Main 2024 (Online) 4th April Morning Shift

Question

Let . Let the mean and the variance of 6 observations be 2 and 23, respectively. The mean deviation about the mean of these 6 observations is :

Choose an option

Show full solutionCorrect option: D
Correct answer
D

Step-by-step explanation

We get and as 4 and 6

So, mean deviation about mean

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About this question

This is a previous-year question from JEE Main 2024, 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.