Business Statistics and Research Methods MCQs

Question 1

Which one of the following statistical measure is not affected by extremely large or small numbers?

Accepted Answer

Harmonic mean

Answer

Median

Answer

Standard deviation

Answer

Coefficient of variation

Question 2

What is a research design?

Accepted Answer

A framework for every stage of the collection and analysis of data

Answer

A way of conducting research that is not grounded in theory

Answer

The choice between using gualitative or quanritative methods

Answer

The style in which you present your research findings, e.g., a graph

Question 3

If the dependent variable increases as the independent variable increases in an estimating equation, the co-efficient of correlation will be in the range

Accepted Answer

0 to 1

Answer

0 to (-)1

Answer

0 to (-)0

Answer

0 to (-)0.05

Question 4

Important objective of statistical analysis is to get . . . . . . . . that describes the characteristics of the entire data.

Accepted Answer

central value

Answer

single value

Answer

average value

Answer

All of these

Question 5

In univariate data analysis, T-test is used when the data are in the form of

Accepted Answer

metric data with independent two samples

Answer

metric data with one sample

Answer

non-metric data

Answer

non-metric data with independent variable

Question 6

A simple random sample is one in which:

Accepted Answer

every unit of the population has an equal chance of being selected

Answer

from a random starting point, every nth unit from the sampling frame is selected

Answer

a non-probability strategy is used, making the results difficult to generalize

Answer

the researcher has a certain quota of respondents to fillfor various social groups

Question 7

The prabability that the throw of two dice yields a total of 5 or 8 is . . . . . . . .

Accepted Answer

$$\frac{1}{4}$$

Answer

$$\frac{1}{5}$$

Answer

$$\frac{2}{5}$$

Answer

None of these

Question 8

. . . . . . . . is drawn by joining the mid-points of the upper widths of adjacent rectangles of the histogram, with straight lines.

Accepted Answer

A frequency polygon

Answer

Histogram

Answer

Ogive curve

Answer

None of these

Question 9

When coefficient of skewness is zero the distribution is

Accepted Answer

Symmetrical

Answer

J-shaped

Answer

U-shaped

Answer

L-shaped