Business Statistics and Research Methods MCQs

Question 1

Assertion (A) The mean of the sampling distribution of the mean is the same as the population mean. Reason (R) As the sample size increases, samples tends to population.

Accepted Answer

Both are true

Answer

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

Answer

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

Answer

Both are false

Question 2

Identify the search engine that is exclusively meant for scientific information.

Accepted Answer

SCIRUS

Answer

Google

Answer

Yahoo

Answer

Altavista

Question 3

Sampling distribution proportion $${\hat P}$$ (hat) represent

Accepted Answer

number of successes in the sample/n

Answer

number of successes in the sample

Answer

number of successes in the sample/mean

Answer

None of the above

Question 4

The sampling error is inversely proportional to the

Accepted Answer

Sample size

Answer

Population size

Answer

Systematic error

Answer

Sampling frame error

Question 5

Four coins are tossed. The probability of getting precisely three heads is:

Accepted Answer

0.25

Answer

0.34

Answer

0.22

Answer

0.17

Question 6

With the help of Ogive curve, we can estimate:

Accepted Answer

Median

Answer

Arithmetic mean

Answer

Mode

Answer

All of the above

Question 7

Questionnaire survey method is used to collect

Accepted Answer

Primary data

Answer

Tertiary data

Answer

Secondary data

Answer

None of the above

Question 8

Qualities of good questionnaire

Accepted Answer

All of the above

Answer

Correct order

Answer

Proper place

Answer

Short and clear question

Question 9

Which of the following is not a valid characteristic of normal distribution?

Accepted Answer

Asymmetrical

Answer

Bell shaped

Answer

Mesokurtic

Answer

All are correct