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

A. 1, 2, 3, 4, 5

B. 2, 3, 4, 5, 1

C. 1, 3, 2, 4, 5

D. 5, 4, 3, 2, 1

A. Values of a parameter will vary from sample to sample but values of a statistic will not

B. Values of both a parameter and a statistic may vary from sample to sample

C. Values of a parameter will vary according to the sampling distribution for that parameter

D. Values of a statistic will vary according to the sampling distribution for that statistic

A. Stratified sample

B. Systematic sample

C. Cluster sample

D. None of the above

A. (i), (ii), (iii)

B. (i) (ii), (iii), (iv)

C. (i), (ii), (v)

D. (iii), (iv), (v)

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

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

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

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

A. Geometric Mean

B. Harmonic Mean

C. Mode

D. Median

A. Analysis of variance is helpful for test three or more variables

B. ANOVA leads to fewer errors

C. ANOVA is based on emphrical evidences

D. All statements are false

A. $$1 + \frac{{6\sum {d^2}}}{{N\left( {{N^2} - 1} \right)}}$$

B. $$1 - \frac{{6\sum {d^2}}}{{N\left( {{N^2} - 1} \right)}}$$

C. $$1 - \frac{{6\sum {d^2}}}{{N\left( {{N^3} - 1} \right)}}$$

D. $$\frac{{1 - 6\sum {d^2}}}{{N\left( {{N^2} - 1} \right)}}$$

A. inadequate data specification and inconsistency with respect to the objectives of the survey

B. errors due to location of units, actual measurement of characteristics, ill designed questionnaire

C. lack of trained and qualified investigators

D. All of the above

A. $$P\left( {X = x} \right) = {}^n{C_x}{p^x}{q^x}$$

B. $$P\left( {X = x} \right) = {}^n{C_x}{p^x}{q^{\left( {n - x} \right)}}$$

C. $$P\left( {X = x} \right) = {}^x{C_n}{q^x}{p^{\left( {n - x} \right)}}$$

D. $$P\left( {x = x} \right) = {}^x{C_n}{p^n}{q^x}$$