Business Statistics and Research Methods MCQs

Question 1

Which one of the following objectives is not the objective of secondary data collection?

Accepted Answer

Interpret primary data more insightfully

Answer

Identify the problem

Answer

Test the hypothesis of the relevant present problem

Answer

Better define the problem

Question 2

Cricketer 'A' scores on an average 40 runs with a standard deviation of 5. Scores of players 'B' and 'C', on an average, are 75 and 90 with standard deviations 10 and 18 respectively. Arrange the players in the descending order of consistency.

Accepted Answer

A, B and C

Answer

C, B and A

Answer

B, A and C

Answer

C, A and B

Question 3

Aset of data can be distinguished from other set of data by means of

Accepted Answer

Central value, dispersion, skewness and kurtosis

Answer

Central value and dispersion

Answer

Central value, dispersion and skewness

Answer

None of the above

Question 4

In the frequency curve of symmetric distribution, if a perpendicular is drawn from the vertex to the base line, which is divided into two parts if the area on the right side is greater than the area on the left side, then which of the following has the highest value?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

None of the above

Question 5

Mean $$ \pm\, 3\sigma $$ covers-

Accepted Answer

99.73 items

Answer

99.37% items

Answer

90% items

Answer

99.9% items

Question 6

The Fisher index number is

Accepted Answer

GM of Laspeyres and Paasche index numbers

Answer

AM of Laspeyres and Paasche index numbers

Answer

HM of Laspeyres and Paasche index numbers

Answer

GM of Laspeyres and Marshall-Edge worth index numbers

Question 7

Which one of the following statements is false?

Accepted Answer

Arithmetic mean of the regression coefficients is always more than the correlation coefficient

Answer

Both correlation and regression coefficients have same sign

Answer

Regression coefficients are independent of both the origin and scale

Answer

Correlation coefficient is the square root of two regression coefficients

Question 8

Select the methods of finding out correlation from the following. 1. Karl Pearson's Method 2. Spearman's Rank Method 3. Yule's Method 4. Coefficient of Contingency 5. Concurrent Deviation Method Select the correct answer:

Accepted Answer

1, 2 and 5

Answer

1, 2 and 3

Answer

1, 2, 3 and 4

Answer

3, 4 and 5

Question 9

A distribution, where the value of arithmetic mean is maximum as compared to median and mode, is

Accepted Answer

Positively-skewed distribution

Answer

Normal distribution

Answer

Negatively-skewed distribution

Answer

None of the above