The commissions earned for the first quarter of last year by

The commissions earned for the first quarter of last year by the 11 members of the sales staff at Master Chemical Company are: $1,650 $1,475 $1,510 $1,670 $1,595 $1,760 $1,540 $1,495 $1,590 $1,625 $1,510 What are the values such as $1.650 and $1.475 called? Using $1,400 up to $1,500 as the first class, $1,500 up to $1,600 as the second class, and so forth, organize the quarterly commissions into a frequency distribution. What are the numbers in the right column of your frequency distribution called? Describe the distribution of quarterly commissions, based on the frequency distribution. What is the largest concentration of commissions earned? What is the smallest, and the largest? What is the typical amount earned?

Solution

a) $1650, $1475 are the initial quarterly commission earnings of sale Staff.

b) construction of frequency distribution  

Class Intervals

Frequency

1400-1500

2

1500-1600

5

1600-1700

3

1700-1800

1

c) From the above frequency distribution table right column values are Upper class intervals.

d) From the above frequency distribution table largest concentration of commission earnings between 1500-1600 intervals. From the given data, smallest and largest commission earnings are 1475,1760 respectively. From the given data typical earning is between (1700-1800) class intervals.

Class Intervals	Frequency
1400-1500	2
1500-1600	5
1600-1700	3
1700-1800	1