For Exercises 4-8, use the data in the chart below.
Lengths of Phone Calls (in min).
24
26
18
25
18
26
17
21
21 16
18
14
22
23
9. Complete the cumulative frequency
table below for the data.
Lengths of Phone Calls
Frequency
Minutes
11-15
16-20
21-25
26-30
24
4. What is the mediant
5. What are the lower and upper quartiles? LAS, D
6. What are the lower and upper extremes and the ranger:14 0:28
7. Make a box-and-whisker graph.
12 14 16 18 20
8. What fractional part of the data is less than 25 minutes?
Mixed Review
For 9-10, use the data in the chart above for 4-8.
Cumulative
Frequency
25
quas
29
23
32 24 26 28
10. Make a line plot for the data.