Please answer question 4, and show work. Please type your responses. The followi
ID: 3292172 • Letter: P
Question
Please answer question 4, and show work. Please type your responses.
The following are the durations in minutes of a sample of long-distance phone calls within the continental United States reported by one long-distance carrier
Table 1
Time (in minutes) Relative Frequency
0 but less than 5 0.37
5 but less than 10 0.22
10 but less than 15 0.15
15 but less than 20 0.10
20 but less than 25 0.07
25 but less than 30 0.07
30 or more 0.02
4. Referring to Table 1, what is the width of each class?
a.1 minute c. 5 minutes
b. 2% d. 100%
SHOW YOUR WORK!
Explanation / Answer
Width of each class = upper limit of that class - lower limit of that class
= 5-0 = 5
Width of each class = 5minutes (C)