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

A. $$0.6745\frac{{\left( {1 - {r^2}} \right)}}{{\sqrt N }}$$

B. $$\frac{{\left( {1 - {r^2}} \right)}}{{\sqrt N }}$$

C. $$\frac{{\left( {1 - {r^2}} \right)}}{N}$$

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

A. 15

B. 24

C. 22

D. 10

A. 1, 2 and 4

B. 1, 3 and 4

C. 1, 2 and 3

D. 2, 3 and 4

A. 0.44

B. 0.6

C. 0.4

D. 0.64

A. Primary data

B. Secondary data

C. Both A and B

D. None of the above

A. quartile deviation

B. inter-quartile deviation

C. inter-quartile range

D. None of the above

A. 33

B. 52

C. 61

D. 60

A. Mode = 3 Median - 2 Mean

B. Mean = 2 Mode - 3 Median

C. Median = 3 Mean - 2 Mode

D. None of these

A. P(A) + P(B)

B. P(A) × P(B)

C. P(A) - P(B)

D. P(A) + P(B) - P(AB)

A. lower

B. upper

C. last

D. middle