JEE Main 2018 — Statistics Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
If the mean of the data: is 8 , then the variance of this data is
Choose an option
Show full solutionCorrect option: D
Correct answer
D1
Step-by-step explanation
Now variance
Hence, the variance is 1 .
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This is a previous-year question from JEE Main 2018, 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.