Business Statistics

A. Judgemental sampling

B. Simple random sampling

C. Stratified random sampling

D. Quota sampling

A. $$\frac{2}{{169}},\,\frac{2}{{663}}$$

B. $$\frac{1}{{52}},\,\frac{2}{{53}}$$

C. $$\frac{1}{{31}},\,\frac{1}{4}$$

D. $$\frac{1}{{51}},\,\frac{2}{{50}}$$

A. $$\frac{{{Q_3} - {Q_1}}}{{{Q_3} + {Q_1}}}$$

B. $$\frac{{{Q_3} + {Q_1}}}{{{Q_3} - {Q_1}}}$$

C. $$\frac{{{Q_3} + {Q_1}}}{2}$$

D. $$\frac{{{Q_3} - {Q_1}}}{2}$$

A. System Engineering Scope

B. PERT

C. Data error system

D. Data value edition

A. 19%

B. 58.3%

C. 12%

D. 13%

A. binomial distribution

B. poisson distribution

C. normal distribution

D. All of these

A. Small test

B. Correlation

C. Large test

D. Regression analysis

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

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

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

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

A. $${\chi ^2} = \sum \left[ {\frac{{{{\left( {O - E} \right)}^2}}}{E}} \right]$$

B. $${\chi ^2} = \sum \left( {\frac{{O - E}}{N}} \right)$$

C. $${\chi ^2} = \frac{{\sum {{\left( {O - E} \right)}^2}}}{E}$$

D. $${\chi ^2} = \frac{{\sum {{\left( {E - O} \right)}^2}}}{E}$$

A. The Hierarchical Database Model (HDBM) is applicable when the data in an organisation can be put down in the hierarchical or in terms of the levels, one after another

B. The data model is shown by an arrangement of the blocks

C. The Network Database Model (NDBM) deals with the set and the records

D. All of the above