Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Statement-1 (A): If a = 55.5, N = 100, h = 20, $\Sigma f_i u_i=60$, then $\bar{X}=67.5$.
Statement-2 (R): Mean of a grouped data is given by $\bar{X}=a+h\left(\frac{1}{N} \Sigma f_i u_i\right)$.

✓
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-5
B
Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-5
C
Statement-1 is true, Statement-2 is false.
D
Statement-1 is false, Statement-2 is true

Answer

Correct option: A.

Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-5

(a)

View full question & answer→

MCQ 21 Mark

Statement-1 (A): The mean of 1, 4, 7, 10,..., 301 is 151.
Statement-2 (R): The mean of the series $a, a+d, a+2 d, \ldots, a+2 n d$, is $a+n d$.

✓
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-4
B
Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-4
C
Statement-1 is true, Statement-2 is false.
D
Statement-1 is false, Statement-2 is true

Answer

Correct option: A.

Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-4

(a)

View full question & answer→

MCQ 31 Mark

Statement-1 (A): The algebraic sum of the deviations of a frequency distribution from its mean is zero.
Statement-2 (R): Mode of a frequency distribution cannot be determined graphically.

A
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-3
B
Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-3
✓
Statement-1 is true, Statement-2 is false.
D
Statement-1 is false, Statement-2 is true

Answer

Correct option: C.

Statement-1 is true, Statement-2 is false.

(c)

View full question & answer→

MCQ 41 Mark

Statement-1 (A): For a moderately asymmetric distribution, Mode - Median = 2 (Median-Mean)
Statement-2 (R): For a symmetric distribution, Mean Median = Mode

A
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1
✓
Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1
C
Statement-1 is true, Statement-2 is false.
D
Statement-1 is false, Statement-2 is true

Answer

Correct option: B.

Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1

(b)

View full question & answer→

Maths Assertion (A) & Reason (B) MCQ

Test yourself on this topic