Business Statistics and Research Methods MCQs

Question 1

Data obtained from statistical journal-

Accepted Answer

Secondary data

Answer

Primary data

Answer

Both A and B

Answer

None of the above

Question 2

The range based on middle 50% of the observations is called . . . . . . . .

Accepted Answer

quartile deviation

Answer

inter-quartile deviation

Answer

inter-quartile range

Answer

None of the above

Question 3

What is the median of 36, 72, 49, 45, 60, 33, 61, 72, 52?

Accepted Answer

52

Answer

33

Answer

61

Answer

60

Question 4

The following equation indicates the relationship among average median and mode:

Accepted Answer

Mode = 3 Median - 2 Mean

Answer

Mean = 2 Mode - 3 Median

Answer

Median = 3 Mean - 2 Mode

Answer

None of these

Question 5

If two events A and B are independent, the probability that they will both occur is given by:

Accepted Answer

P(A) × P(B)

Answer

P(A) + P(B)

Answer

P(A) - P(B)

Answer

P(A) + P(B) - P(AB)

Question 6

In 'Less than' cumulative frequency distribution, the omitted limit is

Accepted Answer

lower

Answer

upper

Answer

last

Answer

middle

Question 7

The geometric mean of 1, 2 and 4 is

Accepted Answer

2

Answer

1

Answer

4

Answer

None of the above

Question 8

The harmonic mean of the following data 6, 10, 15 and 20 will be

Accepted Answer

10.43

Answer

6.69

Answer

8.69

Answer

12.43

Question 9

If a chi-square test is to be performed on a contingency table with 3 rows and 4 columns, how many degrees of freedom should be used?

Accepted Answer

6

Answer

12

Answer

8

Answer

9