Business Statistics

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

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

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

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

A. +0.79

B. +0.82

C. +0.80

D. +0.83

A. PERT

B. Data processing

C. Application processing

D. Information processing system design

A. negative

B. zero

C. positive

D. Can't be known

A. All the three statements are true

B. All the three statements are false

C. Statement I is true, while Statements II and III are false

D. Statement III is true, while. Statements I and II are false

A. $${E_r} = \sqrt {\frac{N}{{N - 1}}} $$

B. $$\frac{{1 - {r^2}}}{{\sqrt N }}$$

C. $$\frac{{dxdy}}{{\sqrt N }}$$

D. $$\frac{{1 - N}}{{\sqrt {\sum dx} }}$$

A. $${\text{SE}}\left( {{p_1} - {p_2}} \right) = \sqrt {pq\left( {\frac{1}{{{n_1}}} + \frac{1}{{{n_2}}}} \right)} $$

B. $${\text{SE}} = p - 1\sqrt {\frac{{npq}}{{100}}} $$

C. $${\text{SE}} = \sqrt {\frac{p}{2} + \frac{q}{2}} $$

D. $${\text{SE}} = \sqrt {\frac{{npq}}{2}} $$

A. Indication of the direction

B. Indication of degree

C. A satisfactory measure

D. All of the above

A. Enumeration

B. Counting

C. Sampling

D. Observation

A. Decision support systems

B. Query processing

C. Exception reporting

D. All of the above