Business Statistics and Research Methods MCQs

Question 1

Mention the correct answers: The ranks according to two attributes in a sample are given below: R1 1 2 3 4 5 R2 5 4 3 2 1 The rank correlation between them is

Accepted Answer

-1

Answer

0

Answer

1

Answer

None of these

Question 2

Which one of the following index satisfies both time reversal and factor reversal test?

Accepted Answer

Fisher's index number

Answer

Laspeyre's index number

Answer

Paasche's index number

Answer

Kelly's index number

Question 3

Interpretative reports are usually in the form of

Accepted Answer

recommendation reports

Answer

routine reports

Answer

progress reports

Answer

informal reports

Question 4

We should expect negative correlation while studying relationship between

Accepted Answer

price and demand of a product

Answer

income and expenditure of family

Answer

sales and profits of a company

Answer

none of the above

Question 5

Statistical interference was the following forms. 1. Point estimation 2. Interval estimation

Accepted Answer

Both 1 and 2

Answer

Only 1

Answer

Only 2

Answer

None of these

Question 6

Find out which one is wrong?

Accepted Answer

Answer

Skewness is absent when the values of mean, median and mode coincide

Answer

Data when plotted on a graph paper give normal bell shaped form

Answer

Sum of the positive deviations from the median is equal to the sum of negative deviation

Answer

Quartiles are equidistant from median

Question 7

Which one of the following is not the correct statement regarding sampling distribution of mean?

Accepted Answer

When the population is not normally distributed, then the sample distribution of mean will be in the form of normal distribution by taking small sample size

Answer

Sampling distribution of mean is normally distributed for large sized samples

Answer

't' distribution is not normally distributed

Answer

Mean of the sampling distribution of mean is equal to the parametric value of mean

Question 8

Which of the following tests can be applied to ordinal scale data? 1. Chi-square test 2. 'Z' test 3. Kruskal-Wallis test 4. Wilcoxon Mann-Whitney test

Accepted Answer

1, 3 and 4

Answer

1, 2 and 3

Answer

2, 4 and 3

Answer

1, 2 and 4

Question 9

The method of analysis is used-

Accepted Answer

Mode

Answer

Arithmetic mean

Answer

Median

Answer

Harmonic mean