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

A. must have a positive slope

B. must have a negative slope

C. could have either a positive or a negative slope

D. must have a positive y intercept

A. 12.01

B. 15

C. 14.56

D. None of these

A. $$ \pm \sqrt { \pm \left( {\frac{{2c - n}}{n}} \right)} $$

B. $$ \pm \sqrt { \pm \left( {\frac{{2c + n}}{n}} \right)} $$

C. $$ \pm \sqrt { \pm 2\left( {\frac{{c - n}}{n}} \right)} $$

D. $$ \pm \sqrt { \pm 2\left( {\frac{{2c - n}}{n}} \right)} $$

A. AM = 50.2

B. AM = 50.3

C. AM = 49.9

D. AM = 50.9

A. 1 and 2

B. 1 and 3

C. 2 and 3

D. 1, 2 and 3

A. 7

B. 9

C. 10

D. 20

A. cumulative frequency distribution

B. relative frequency distribution

C. percentage frequency distribution

D. None of the above

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

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

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

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

A. 1, 2 and 5

B. 1, 2 and 3

C. 1, 2, 3 and 4

D. 1, 2, 3, 4 and 5

A. Checking the questions minutely by the investigator himself

B. Asking question with a group before mailing out

C. Discussion with the subordinate staff to sit for appearing a departmental examination

D. Testing the questions with the help of some advanced statistical tools

E. Observation of the investigator regarding the time required by the postal department for dispatching the questions to the respondents