JEE Main 2012 Mathematics question

Mathematics Statistics JEE Main 2012

Statement 1: The variance of first n odd natural numbers is Statement 2: The sum of first n odd natural number is and the sum of square of first n odd natural numbers is .

(1)Statement 1 is true, Statement 2 is false.Correct
(2)Statement 1 is true, Statement 2 is true; Statement 2 is not a correct explanation for Statement 1.
(3)Statement 1 is false, Statement 2 is true.
(4)Statement 1 is true, Statement 2 is true, Statement 2 is a correct explanation for Statement 1.

Answer: (1)

Solution

The sum of squares of the first n odd numbers is , not ${ +

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Question ID VK-103699