JEE Main 2025 — Statistics Question with Solution
JEE Main 2025 (24 Jan Shift 1)
Question
For a statistical data of 10 values, a student obtained the mean as 5.5 and . He later found that he had noted two values in the data incorrectly as 4 and 5 , instead of the correct values 6 and 8 , respectively. The variance of the corrected data is
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Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
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This is a previous-year question from JEE Main 2025, 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.