Business Statistics and Research Methods MCQs

Question 1

The frequencies in the cumulative frequency distribution are placed

Accepted Answer

Cumulatively

Answer

Systematically

Answer

In ascending order

Answer

In descending order

Question 2

The sum total of the values of two variables 'X' and 'Y' is equal for all the observations. The value of the coefficient of correlation between 'X' and 'Y' is:

Accepted Answer

-1 (perfectly negative)

Answer

+1 (perfectly positive)

Answer

Zero (No correlation)

Answer

> 0 < 1 (Imperfect correlation)

Question 3

Calculate rank correlation coefficient from the following data. X 59 69 39 49 29 Y 79 69 39 49 39

Accepted Answer

0.8

Answer

0.2

Answer

0.7

Answer

0.9

Question 4

Consider the following statements. Statement (I): If the alternative hypothesis is as Ha: μ ≠ μ0; a researcher requires two-tailed test in hypothesis-testing. Statement (II): The mean of the sampling distribution of mean is not equal to the parametric value of mean.

Accepted Answer

Statement (I) is true, while statement (II) is false

Answer

Both the statements are true

Answer

Both the statements are false

Answer

Statement (I) is false,while statement (II) is true

Question 5

In the regression equation X = a + bY, the X is called:

Accepted Answer

Dependent variable

Answer

Independent variable

Answer

Qualitative variable

Answer

None of the above

Question 6

If a study is "reliable", this means that:

Accepted Answer

the measures devised for concepts are stable on different occasions

Answer

the methods are outlined in the methods discussion clearly enough for the research to be replicated

Answer

the findings can be generalized to other social phenomena

Answer

it was conducted by a reputable researcher who can be trusted

Question 7

Match the following. List-I List-II a. Level of significance 1. Sample mean is equal to population mean b. Standard deviation of sampling distribution 2. Parameters c. Numerical value that describes the characteristics of the population 3. Type I error d. Normally distributed population 4. Standard error

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 8

The mean plus and minus 1.96 standard deviation includes . . . . . . . . percent of the items of normal distribution.

Accepted Answer

47.5

Answer

75

Answer

74.5

Answer

None of these

Question 9

For more reliable survey results we should use

Accepted Answer

Computation method or census method

Answer

Sample method

Answer

Both sample and census method

Answer

None of these