Business Statistics

A. $$.6745\left( {\frac{{1 - {r^2}}}{{\sqrt N }}} \right)$$

B. $$.6340\sqrt {\frac{{dxdy}}{N}} \times d{x^2}d{y^2}$$

C. $$.6745\sqrt {\frac{N}{{\sum dx}}} $$

D. $$.6340 \times \frac{N}{{\sqrt {\sum dx} }}$$

A. observation

B. multiplication

C. web surfing

D. weighting

A. $$\sqrt {\frac{{pq}}{{n - 1}}} $$

B. $$\sqrt {\frac{{pq}}{n}} $$

C. $$\sqrt {\frac{{n - 1}}{{pq}}} $$

D. $$\sqrt {\frac{n}{{pq}}} $$

A. a-5, b-3, c-4, d-2

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

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

D. a-5, b-2, c-4, d-3

A. $${S_1}^2 = \frac{{\sum {{\left( {{X_1} - {{\overline X }_1}} \right)}^2}}}{{{n_1} - 1}},\,{S_2}^2 = \frac{{\sum {{\left( {{X_2} - {{\overline X }_1}} \right)}^2}}}{{{n_1} - 1}}$$

B. $${S_1}^2 = \frac{{\sum {{\left( {{X_1} - {{\overline X }_1}} \right)}^2}}}{{{n_1} - 1}},\,{S_2}^2 = \frac{{{{\left( {{X_2} - {{\overline X }_2}} \right)}^2}}}{{{n_1} - 1}}$$

C. $${S_1}^2 = \frac{{\sum {{\left( {{{\overline X }_1} - {X_1}} \right)}^2}}}{{{n_1} - 1}},\,{S_2}^2 = \frac{{\sum {{\left( {{{\overline X }_2} - {X_2}} \right)}^2}}}{{{n_2} - 1}}$$

D. None of the above

A. average mean

B. binomial distribution

C. median

D. regression analysis

A. Stratified sampling

B. Quota sampling

C. Cluster sampling

D. Systematic sampling

A. 0.76

B. 0.36

C. 0.96

D. -0.96

A. Provide that information which supportsin achieving the MIS goals and objectives

B. Budgeted profits of various products

C. Transaction processing and data processing

D. All of the above

A. lower degree of correlation

B. higher degree of correlation

C. no correlation

D. All of the above