Business Statistics and Research Methods MCQs

Question 1

Which of the following statement/s is/are true?

Accepted Answer

Correlational statistics provide a description of the sample or population for their further analyses to explore the significance of their differences

Answer

Descriptive statistics summarize the characteristics of a data set

Answer

Inferential statistics allow you to test a hypothesis or assess whether your data is generalizable to the broader population

Answer

All of the above

Question 2

In a series, the sum of all the observations is . . . . . . . . times the arithmetic mean.

Accepted Answer

None of these

Answer

2

Answer

mean itself

Answer

5

Question 3

According to classical approach, if an experiment has 'n' simple outcome, each outcome will have probability equal to

Accepted Answer

$$\frac{1}{n}$$

Answer

n

Answer

$$\frac{1}{{{n^2}}}$$

Answer

None of these

Question 4

"Statistics are affected to a marked extent by multiplicity of causes" the statement has been given by:

Accepted Answer

Answer

Yule and Kendall

Answer

A. L. Bowley

Answer

Boddington

Answer

Croxton and Cowden

Question 5

The application of x2-test as parametric test will be in which one of the following situations?

Accepted Answer

Test for population variance on the basis of small sized sample variance

Answer

Test of independence of attributes

Answer

Test of goodness of fit of a specific type of distribution

Answer

Test of homogeneity of several populations with respect to some characteristic of interest

Question 6

Which of the following are sampling considerations?

Accepted Answer

All of the above

Answer

Who do you need to study in order to investigate your research questions?

Answer

How easily can you gain access to a sampling frame?

Answer

What kind of sampling strategy will you employ?

Question 7

Which one of the following is the main problem with using non-probability sampling techniques?

Accepted Answer

Human judgement error

Answer

The expense

Answer

The results are never representative

Answer

Informants can refuse to participate

Question 8

From the following, identity one situation where 'F' test cannot be used?

Accepted Answer

To test the hypothesis about a single population vanance

Answer

To compare more than two population means

Answer

To test the hypothesis about two population variance

Answer

To study about randomized block design

Question 9

The duration of the Jagler cycle is approximately

Accepted Answer

$$9\frac{1}{2}$$ year

Answer

$$6\frac{1}{2}$$ year

Answer

$$7\frac{1}{2}$$ year

Answer

8 year