Business Statistics and Research Methods MCQ Questions and Solutions with Explanations | Commerce

A. a-1, b-2, c-3, d-4

B. a-4, b-2, c-3, d-1

C. a-2, b-3, c-4, d-1

D. a-3, b-1, c-2, d-4

A. Relative coefficient

B. Absolute coefficient

C. Coefficient of variation

D. Dispersion relativity

A. x = 0, y = 0

B. x = constant, y = constant

C. x = 0, y = constant

D. None of these

A. $$r = \frac{{\sum xy}}{{\sqrt {\sum {x^2}\sum {y^2}} }}$$

B. $$r = \frac{{n\sum xy}}{{\sqrt {\sum {x^2}\sum {y^2}} }}$$

C. $$r = \frac{{\sum xy}}{{n\sqrt {\sum {x^2}\sum {y^2}} }}$$

D. $$r = \frac{{\sum xy}}{{n\sum {x^2}}}$$

A. 5

B. 10

C. -5

D. 100

A. When the true null hypothesis is rejected

B. When the alternative hypothesis is accepted

C. When the false null hypothesis is accepted

D. When the true null hypothesis is accepted

A. Frequency polygon

B. Frequency curve

C. Ogive

D. Pie diagram

A. $$\frac{{{\text{Standard Deviation}}}}{{{\text{Mean}}}} \times 100$$

B. $$\frac{{{\text{Mean}}}}{{{\text{Standard Deviation}}}} \times 100$$

C. $$\frac{{{\text{Mean}} - {\text{Mode}}}}{{{\text{Standard Deviation}}}} \times 100$$

D. $$\frac{{{\text{Standard Deviation}}}}{{{\text{Mean}} - {\text{Mode}}}} \times 100$$

A. -1

B. 0

C. +1

D. ±1

A. 1, 2 and 3

B. 1, 2 and 5

C. 3, 4 and 5

D. 1, 3 and 5