Business Statistics and Research Methods MCQs

Question 1

The data collected from observation and survey research methods are

Accepted Answer

Primary Data

Answer

Secondary Data

Answer

All of the above

Answer

None of these

Question 2

Following is the information about the employees in an organisation in various age groups. Compute range and coefficient of range. Class (Years) Number of Employees 56-60 7 61-65 16 66-70 39 71-75 28 76-80 10

Accepted Answer

None of these

Answer

22, 1.02

Answer

23, 0.12

Answer

24, 0.1765

Question 3

A rank correlation coefficient is being calculated, using the formula $$R = 1 - \frac{{6\sum {d^2}}}{{n\left( {{n^2} - 1} \right)}}.$$ If Σd2 = 50 and n = 10, R will (to 2 decimal places) be

Accepted Answer

0.7

Answer

-0.3

Answer

0.63

Answer

0.3

Question 4

Incorrect understandings, prestige bias, self interest, respondent's inability are the examples of

Accepted Answer

non-response error

Answer

compiling errors

Answer

response error

Answer

publication error

Question 5

Given is the following distribution of two variables x and y: x : 1 2 3 4 5 y : 3 4 5 6 7 The standard deviation of y is

Accepted Answer

Same as standard deviation of x

Answer

(the standard deviation of x) × 2

Answer

(the standard deviation of x) + 2

Answer

(the standard deviation of x) - 2

Question 6

What is the total work participation rate in India as per 2001 census?

Accepted Answer

39.3%

Answer

54.6%

Answer

49.3%

Answer

36.6%

Question 7

If two regression coefficients are -0.8 and -0.2, then the value of coefficient of correlation is

Accepted Answer

-0.4

Answer

-0.16

Answer

-0.5

Answer

0.4

Question 8

Which of the following statement/s is/are correct in context of Baye's Theorem?

Accepted Answer

All of the above

Answer

Under Baye's Theorem, we make use of words such as hypotheses, priori probability and posteriori Probability

Answer

Baye's Theorem is considered for the case of conditional probability where it is the probability of an event happening, given that it has some relationship to one or more other events

Answer

Baye's Theorem provides a way to revise existing predictions or update probabilities provided there is given new evidence

Question 9

Which of the following are 'non-statistical' research? 1. Problem solving research 2. Qualitative research 3. Applied research Select the correct answer using the options given below

Accepted Answer

Only 2

Answer

Only 1

Answer

Both 1 and 2

Answer

Both 2 and 3