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

question 63

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 relative frequency of students working 9 hours or less

• A)is 20
• B)is 100
• C)is 0.95
• D)0.05

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