Question
Mathematics Question on Variance and Standard Deviation
The variance of first n odd natural numbers is 3n2−1. The sum of first n odd natural number is n2 and the sum of square of first n odd natural numbers is 3n(4n2+1) .
A
Statement 1 is true, Statement 2 is false
B
Statement 1 is true, Statement 2 is true; Statement 2 is not a correct explanation for Statement 1
C
Statement 1 is false, Statement 2 is true
D
Statement 1 is true, Statement 2 is true, Statement 2 is a correct explanation for Statement 1
Answer
Statement 1 is true, Statement 2 is false
Explanation
Solution
The correct option is A , Statement 2: Sum of first n odd natural numbers is not equal to n2. So, statement - 2 is false.