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

A. Primary

B. Secondary

C. Tabulated

D. None of these

A. $$\sigma = \sqrt {\frac{{{N^2} - 1}}{8}} $$

B. $$\sigma = \sqrt {{N^2} - \frac{1}{{12}}} $$

C. $$\sigma = \sqrt {\frac{{{N^2}}}{{12}} - 1} $$

D. $$\sigma = \sqrt {\left( {\frac{1}{{12}}} \right)\left( {{N^2} - 1} \right)} $$

A. an average of a distribution

B. a single figure which can be regarded as a representative of the whole distribution

C. representative of a set of data

D. All of the above

A. Exclusive method

B. Inclusive method

C. Both A and B

D. Neither A nor B

A. Both the statements are true

B. Both the statements are false

C. Statement I is true, while Statement II is false

D. Statement I is false, while Statement II is true

A. r = 0.52

B. r = 0.45

C. r = 0.9

D. r = 0.65

A. 1, 2 and 3

B. 1, 3 and 4

C. Both 1 and 4

D. None of the above

A. inferential statistics

B. sample statistics

C. population values

D. population parameters

A. Standard error of estimate

B. Coefficient of correlation

C. Coefficient of determination

D. Probable error

A. 10, 12, 10

B. 10, 12, 13

C. 11, 12, 13

D. 10, 12, 11