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

A. Both statements are correct

B. Both statements are incorrect

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

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

A. Geographical classification

B. Chronological classification

C. Qualitative classification

D. Quantitative classification

A. $$t = \frac{{\overline {{x_1}} - \overline {{x_2}} }}{S}$$

B. $$t = \frac{{\overline {{x_1}} - \overline {{x_2}} }}{S}\sqrt {\frac{{{n_1} + {n_2}}}{{{n_1} - {n_2}}}} $$

C. $$t = \frac{{\overline {{x_1}} - \overline {{x_2}} }}{S}\sqrt {\frac{{{n_1} - {n_2}}}{{{n_1} + {n_2}}}} $$

D. None of these

A. Ordinal scale

B. Nominal scale

C. Interval scale

D. Ratio scale

A. 0.87

B. 0.86

C. 0.89

D. 0.75

A. Mode

B. Correlation

C. Mean

D. Median

A. Arithmetic mean of Laspeyre's and Paasche's index

B. Median of Laspeyris and Paaschis index

C. Geometric mean of Laspeyre's and Paasche's index

D. None of these

A. 0.10

B. 0.05

C. 0.01

D. 0.50

A. Coefficient of correlation

B. Range and quartile deviation

C. Mean deviation

D. Standard deviation

E. Coefficient of variation

A. -1

B. 2

C. 3

D. 0