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

question 8

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 percentage of students working 19 hours or less is

• A)20%
• B)25%
• C)75%
• D)80%

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