JEE Main 2014MathematicsStatisticsCalculation Of Standard Deviation Variance And Mean Deviation Of Grouped And Ungrouped DatamediumMCQ

JEE Main 2014 — Statistics Question with Solution

From: JEE Main 2014 (Offline)

Question

The variance of first 50 even natural numbers is

Choose an option

Show full solutionCorrect option: A
Correct answer
A833

Step-by-step explanation

Here is total numbers, so

Variance

Here sum of square of first even natural number.







So,

sum of first even natural numbers











Variance

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Statistics chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2014, 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.