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

A. dependent

B. independent

C. Both A and B

D. Neither A nor B

A. +1

B. 0

C. -1

D. None of these

A. Both (A) and (R) are correct and (R) is the complete explanation of (A)

B. Both (A) and (R) are correct, but (R) is not the complete explanation of (A)

C. (A) is not correct, while (R) is correct

D. Both (A) and (R) are not correct

A. $$\frac{{1 - {r^2}}}{{\sqrt N }}$$

B. $$0.6475\frac{{1 - {r^2}}}{{\sqrt N }}$$

C. $$0.6745\frac{{1 - {r^2}}}{{\sqrt N }}$$

D. $$0.6475\frac{{1 - {r^3}}}{{\sqrt N }}$$

A. sequential sampling

B. convenience sampling

C. judgement sampling

D. None of these

A. -0.642

B. 0.642

C. 0.253

D. -0.253

A. $$\frac{{{Q_3} - {Q_1}}}{4}$$

B. $$\frac{{{Q_3} + {Q_1}}}{2}$$

C. $$\frac{{{Q_3} + {Q_1}}}{{{Q_3} - {Q_1}}}$$

D. $$\frac{{{Q_3} - {Q_1}}}{{{Q_3} + {Q_1}}}$$

A. Both the statements are correct

B. Both the statements are incorrect

C. Statement I is correct, but Statement II is incorrect

D. Statement II is correct, but Statement I is incorrect

A. $$\overline X > M > Z$$

B. $$\overline X = M = Z$$

C. $$\overline X < M < Z$$

D. $$\overline X \leqslant M \leqslant Z$$

A. mean

B. median

C. mode

D. All of these