JEE Main 2023 — Statistics Question with Solution
From: JEE Main 2023 (Online) 13th April Morning Shift
Question
Let the mean of the data
| 1 | 3 | 5 | 7 | 9 | |
|---|---|---|---|---|---|
| Frequency () | 4 | 24 | 28 | 8 |
be 5. If and are respectively the mean deviation about the mean and the variance of the data, then is equal to __________
Enter your answer
Show full solutionCorrect answer: 8
Correct answer
8
Step-by-step explanation
So,
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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.