Business Statistics and Research Methods MCQs

Question 1

In comparison of secondary data, the primary data are

Accepted Answer

more reliable

Answer

less reliable

Answer

are equally reliable

Answer

None of these

Question 2

There will be positive correlation in X and Y, if

Accepted Answer

both the variables are varying in the same direction

Answer

variables are varying in opposite direction

Answer

there is no certain trend of changes in both variables

Answer

None of the above

Question 3

Classification of data may be

Accepted Answer

All of the above

Answer

Geographical

Answer

Qualitative

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Quantitative

Question 4

Assertion (A) Standard deviation is independent of change of origin. Reason (R) The value of standard deviation remains the same, if in a series each the observation is increased or decreased by a constant quantity.

Accepted Answer

Both (A) and (R) are true

Answer

Both (A) and (R) are true, but (R) is not the correct explanation of (A)

Answer

Both (A) and (R) are false

Answer

(A) is true, but (R) is false

Question 5

An investigator collects data himself or through his agents by contacting and interviewing students and the same data has been collected by the student union and the investigator obtains the data from the students union officer.

Accepted Answer

Data collected is regarded as primary and secondary data respectively

Answer

Data collected is regarded as secondary and primary data respectively

Answer

In both the cases the data collected is known as Primary data

Answer

In both the cases the data collected is known as secondary data

Question 6

In this the value of rank correlation coefficient will be Rank X 5 3 4 8 2 1 7 10 6 9 Rank Y 3 7 5 9 2 4 1 10 8 6

Accepted Answer

0.52

Answer

0.62

Answer

0.42

Answer

0.72

Question 7

The mean of 15 numbers was found to be 15. If two numbers 18 and 12 are taken out, then the mean of remaining numbers will be

Accepted Answer

15

Answer

10

Answer

12

Answer

25

Question 8

To calculate the arithmetic mean, there should be class differences

Accepted Answer

All the above

Answer

Exclusive

Answer

Unequal

Answer

Equal

Question 9

The absolute value of the difference between an unbiased point estimate and the corresponding population parameter is known as a

Accepted Answer

Sampling error

Answer

Population error

Answer

Standard error

Answer

None of the above