Business Statistics and Research Methods MCQs

Question 1

Which of the following is not a principle of business forecasting?

Accepted Answer

Theory of probability

Answer

Action-reaction theory

Answer

Historical experience theory

Answer

Time lapse theory

Question 2

With reference to the correlation coefficient, which of the following statement is/are correct? (1) It measures the degree and direction of linear association between two variables (2) It measures the degree and direction of non-linear association between two variables Select the correct answer using the options given below

Accepted Answer

Only 1

Answer

Only 2

Answer

Both 1 and 2

Answer

Neither 1 nor 2

Question 3

The value of standard deviation changes by a change of:

Accepted Answer

Scale

Answer

Origin

Answer

Algebraic signs

Question 4

Coefficient of determination is defined as

Accepted Answer

r2

Answer

r3

Answer

1 - r2

Answer

1 + r3

Question 5

Cross cultural studies are an example of:

Accepted Answer

Comparative design

Answer

Longitudinal design

Answer

Experimental design

Answer

Case study design

Question 6

Consider the following measures: 1. Correlation coefficient 2. Covariance 3. Coefficient of variation 4. Index number Which of these are unit-free?

Accepted Answer

1, 3 and 4

Answer

1 and 2

Answer

1 and 3

Answer

2 and 4

Question 7

The lines of regression intersect at the point

Accepted Answer

$$\left( {\overline X ,\,\overline Y } \right)$$

Answer

$$\left( {X,\,Y} \right)$$

Answer

$$\left( {\overline X ,\,Y} \right)$$

Answer

$$\left( {X,\,\overline Y } \right)$$

Question 8

The channel alternative is NOT to be assessed on the basis of

Accepted Answer

accumulation criteria

Answer

economic criteria

Answer

control criteria

Answer

adaptive criteria

Question 9

The measure of the variation of the items is

Accepted Answer

Dispersion

Answer

Skewness

Answer

Correlation

Answer

Kurtosis