Question

Rockwell Automation, Inc, is an American provider of industrial automsa electronic controller that automates the rate of speed at which a conveyer belk moves in and is headquartered in Milwaukee, W1. One product ma twelve-month period. The data collected (number of electronsc controllers purchased by each customer) are shown below: 20 of their customers over the previous 19, 31, 44, 25,27, 33,29, 22,24,12,27, 15,29,37, 17, 16, 31, 42. 13,36 Use the data provided above to construct a frequency distribation in the space provideod below. Use 4 What percentage of the customers in this sample parchased less than 30 electronic controllers from Rockwell Automation over the past twelve-month period ANSWER: % (round your answer to 2 decimal places, using conventional rounding rules)

Answer 1

Class interval	Frequency
12 - 21.	6
22 - 31	9
32 - 41	3
42 - 51	2
Total	20

The percentage of customers in this sample purchased less than 30 is

=  (( 6 + 9 ) / 20 ) 100

= 75 %