Exhibit 2-1
The number of hours worked (per week) by 400 statistics students are shown below.
Number of Hours Frequency
0 - 9 20
10 - 19 80
20 - 29 200
30 - 39 100
a. is 200
b. is 300
c. is 0.75
d. is 0.5
Answer: b. is 300
The number of hours worked (per week) by 400 statistics students are shown below.
Number of Hours Frequency
0 - 9 20
10 - 19 80
20 - 29 200
30 - 39 100
Refer to Exhibit 2-1. The cumulative frequency for the class of 20 - 29
a. is 200
b. is 300
c. is 0.75
d. is 0.5
Answer: b. is 300
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.