JEE Main 2022 — Statistics Question with Solution
From: JEE Main 2022 (Online) 29th July Morning Shift
Question
Let the mean and the variance of 20 observations be 15 and 9 , respectively. For , if the mean of is 178 , then the square of the maximum value of is equal to ________.
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Show full solutionCorrect answer: 4
Correct answer
4
Step-by-step explanation
Given
and
Mean
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This is a previous-year question from JEE Main 2022, 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.