Business Statistics

A. Stay the same

B. Increase

C. Decrease

D. May increase or decrease

A. 20

B. 17

C. 30

D. 15

A. $$\frac{{p + q}}{n}$$

B. $$\left( {\frac{{q + p}}{{n - 1}}} \right) \times p - 1$$

C. $${\left( {q + p} \right)^n}$$

D. $$\frac{{p + 1}}{{n - 1}}$$

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

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

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

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

A. $$r = \sqrt {\frac{{{b_{xy}}}}{{{b_y}}}} $$

B. $$r = \sqrt {{b_{xy}} \times {b_{yx}}} $$

C. $$r = \frac{{{b_y}}}{{\sqrt {\sum {d_x}} }}$$

D. $$r = \frac{{\sum {d_x}}}{{{b_x}}}$$

A. Karl Pearson

B. Gosset

C. Fisher

D. Laplace

A. Indication of degree

B. Indicator of the direction

C. A satisfactory measure

D. All of the above

A. Correlation equation

B. Regression equation

C. Mean analysis

D. Mean

A. $$\frac{m}{{m + n}}$$

B. $$\frac{m}{{m - n}}$$

C. $$\frac{n}{{m + n}}$$

D. $$\frac{n}{{m - n}}$$

A. Mode

B. Average

C. Regression

D. Correlation