Business Statistics and Research Methods MCQs

Question 1

Find the Mean, Mode and Median of given set of data-5, 8, 12, 14, 12, 13, 6, 8, 12 and 10 Select the correct answer using options given below

Accepted Answer

10, 12, 11

Answer

10, 12, 10

Answer

10, 12, 13

Answer

11, 12, 13

Question 2

In a correlation study the results were: The correlation coefficient will be: ∑xy = 40, N = 100, ∑x2 = 80, ∑y2 = 20

Accepted Answer

1

Answer

-1

Answer

0

Answer

0.92

Question 3

Spearman's rank correlation explores relationship between:

Accepted Answer

Two ordinal data

Answer

Two interval data

Answer

Two ratio data

Answer

Two nominal data

Question 4

In a chronological classification, data are classified on the basis of

Accepted Answer

time

Answer

attributes

Answer

class-intervals

Answer

location

Question 5

Which of the following should be considered in report writing? 1. Structure 2. Content 3. Presentation 4. Use of english 5. Style 6. Detailed preparation Select the correct answer using the options given below

Accepted Answer

All of these

Answer

1, 2, 4 and 5

Answer

2, 3, 5 and 6

Answer

1, 3, 5 and 6

Question 6

The p.d.f of Poisson Distribution is given by

Accepted Answer

$$\frac{{{e^{ - m}}{m^z}}}{{x!}}$$

Answer

$$\frac{{{e^{ - m}}x!}}{{{m^z}}}$$

Answer

$$\frac{{x!}}{{{m^z} - {e^{ - m}}}}$$

Answer

$$\frac{{{e^m}{m^z}}}{{z!}}$$

Question 7

The definition of statistics "Statistics is the science of estimates and probabilities" is given by

Accepted Answer

Boddington

Answer

Bowley

Answer

Roberts

Answer

Fisher

Question 8

The data obtained from a newspaper called economic times is referred to as

Accepted Answer

secondary data

Answer

primary data

Answer

Both A and B

Answer

None of these

Question 9

Correlation coefficient is measure of

Accepted Answer

Linear relationship between two variables

Answer

Relationship between two variables

Answer

Independence between two variables

Answer

Dependence between two variables