JEE Main2012MathematicsStatisticsActual
Statement 1: The variance of first n odd natural numbers is n^2-1 3 Statement 2: The sum of first n odd natural number is n^2 and the sum of square of first n odd natural numbers is n (4 n^2+1 ) 3 .
Options
- AStatement 1 is true, Statement 2 is false.
- BStatement 1 is true, Statement 2 is true; Statement 2 is not a correct explanation for Statement 1.
- CStatement 1 is false, Statement 2 is true.
- DStatement 1 is true, Statement 2 is true, Statement 2 is a correct explanation for Statement 1.
Correct answer
A. Statement 1 is true, Statement 2 is false.
Step-by-step solution
Statement 2 : Sum of first n odd natural numbers is not equal to n^2 . So, statement - 2 is false.