JEE Main 2023MathematicsStatisticsCalculation Of Standard Deviation Variance And Mean Deviation Of Grouped And Ungrouped DatamediumNumerical

JEE Main 2023Statistics Question with Solution

From: JEE Main 2023 (Online) 31st January Morning Shift

Question

If the variance of the frequency distribution

2 3 4 5 6 7 8
Frequency 3 6 16 9 5 6

is 3, then is equal to _____________.

Enter your answer

Show full solutionCorrect answer: 5
Correct answer
5

Step-by-step explanation

JEE Main 2023 (Online) 31st January Morning Shift Mathematics - Statistics Question 42 English Explanation







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About this question

This is a previous-year question from JEE Main 2023, 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.