JEE Main 2023 — Statistics Question with Solution
From: JEE Main 2023 (Online) 6th April Evening Shift
Question
If the mean and variance of the frequency distribution
| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | |
|---|---|---|---|---|---|---|---|---|
| 4 | 4 | 15 | 8 | 4 | 5 |
are 9 and 15.08 respectively, then the value of is ___________.
Enter your answer
Show full solutionCorrect answer: 25
Correct answer
25
Step-by-step explanation
Given, mean
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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.