SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.

-Referring to Scenario 2-5,what is the width of each class?
A)1 minute
B)5 minutes
C)2%
D)100%

Question

SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.

-Referring to Scenario 2-5,what is the width of each class?
A)1 minute 
B)5 minutes 
C)2% 
D)100%

Quizplus · Accepted Answer

To find the width of each class, we need to calculate the range of the data and divide it by the number of classes. The range is 43 - 4 = 39. If we divide this by the number of classes, which is (43-4)/5 = 8.2, we end up with approximately 5. Therefore, the width of each class is 5.

SCENARIO 2-5 The Following Are the Duration in Minutes of a Sample