Exhibit 2-1 The Numbers of Hours Worked (Per Week) by 400 Statistics

question 46

Multiple Choice

Exhibit 2-1
The numbers of hours worked (per week) by 400 statistics students are shown below.
-Refer to Exhibit 2-1. The cumulative relative frequency for the class of 20 - 29

• A)is 300
• B)is 0.25
• C)is 0.75
• D)is 0.5