Statement 1 : The variance of the numbers 2.4.6.8............ 2n is {n^2-1}/3 Statement 2 : The mean deviation of a, a + d..........a + 2n d from mean is \frac{n(n+1)}{2n+3}

Correct Answer is : Statement 1 is true. Statement 2 is false

Statement-1 is true. Statement-2 is true and Statement-2 is not correct explanation of Statement 1

Statement 1 is true. Statement 2 is false

Statement 1 is false. Statement 2 is true

Statement -1 is true. Statement -2 is true and Statement -2 is correct explanation for Statement-1

JEE Mains Model Paper 22

Question : 62 of 90

Marks: +1, -0

Statement 1 : The variance of the numbers 2.4.6.8............ 2n is

n2−1

Statement 2 : The mean deviation of a, a + d..........a + 2n d from mean is

n(n+1)

2n+3

Statement-1 is true. Statement-2 is true and Statement-2 is not correct explanation of Statement 1
Statement 1 is true. Statement 2 is false
Statement 1 is false. Statement 2 is true
Statement -1 is true. Statement -2 is true and Statement -2 is correct explanation for Statement-1

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