Business Statistics and Research Methods MCQs

Question 1

Pre-testing the questionnaire is associated with:

Accepted Answer

Asking question with a group before mailing out

Answer

Checking the questions minutely by the investigator himself

Answer

Discussion with the subordinate staff to sit for appearing a departmental examination

Answer

Testing the questions with the help of some advanced statistical tools

Question 2

A normal distribution has a mean of 55 and a variance of 14.44. The probability of a score of 59 or more is approximately

Accepted Answer

0.15

Answer

0.35

Answer

0.17

Answer

0.85

Question 3

Assignment of numerals to the objects to represent their attributes is known as:

Accepted Answer

Nominal data

Answer

Ordinal data

Answer

Interval data

Answer

Ratio data

Question 4

The transformation of raw data into a form that will make them easy to understand and interpret, rearranging and manipulating data to generate information is called:

Accepted Answer

Descriptive analysis

Answer

Descriptive research

Answer

Causal research

Answer

Exploratory research

Question 5

The larger the standard error of estimate the . . . . . . . . happens to be the dispersion of given observations around the regression line.

Accepted Answer

greater

Answer

lower

Answer

Both A and B

Answer

None of the above

Question 6

If with a rise of 10% in prices the wages are increased by 20%, the real wage increase is by

Accepted Answer

less than 10%

Answer

10%

Answer

more than 10%

Answer

20%

Question 7

To show the trend for a variable, which one of the presentation method is used?

Accepted Answer

Line graph

Answer

Histogram

Answer

Frequency polygon

Answer

Scatter graph

Question 8

First two moments about the value 2 of a variable are 1 and 16. The variance will be:

Accepted Answer

15

Answer

13

Answer

16

Answer

Difficult to tell

Question 9

The standard deviation of sampling distribution is called.

Accepted Answer

Standard error

Answer

Probable error

Answer

Both A and B

Answer

None of these