# ( Best 225+ ) Business Statistics MCQ ## 51. If the mean of percentages, rates and ratios is to be calculated then the central tendency measure which must be used in this situation is

A. weighted arithmetic mean

B. paired arithmetic mean

C. non-paired arithmetic mean

D. square of arithmetic mean

## 52. In the quartiles, the central tendency median to be measured must lie in

A. first quartile

B. second quartile

C. third quartile

D. four quartile

## 53. A numerical value used as a summary measure for a sample, such as sample mean, is known as a

A. population parameter

B. sample parameter

C. sample statistic

D. population mean

## 54. The mean of a sample is

A. always equal to the mean of the population

B. always smaller than the mean of the population

C. computed by summing the data values and dividing the sum by (n – 1)

D. computed by summing all the data values and dividing the sum by the number of items

## 55. In a five number summary, which of the following is not used for data summarization?

A. the smallest value

B. the largest value

C. the median

D. the 25th percentile

## 56. Since the mode is the most frequently occurring data value, it

A. can never be larger than the mean

B. is always larger than the median

C. is always larger than the mean

D. None of the above

A. 85

B. 95

C. 90

D. 81

## 58. Branches of statistics includes

A. applied statistics

B. mathematical statistics

C. industry statistics

D. both a and b

A. 54

B. 53

C. 55

D. 51

A. x + 8

B. x + 18

C. x – 8

D. x – 18