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

question 24

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 number of students working 19 hours or less

• A)is 80
• B)is 100
• C)is 180
• D)is 300

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Definitions:

Desktop Computer

A personal computer designed for regular use at a single location on or near a desk due to its size and power requirements.

Tower Case

A vertical housing for the system unit of a personal computer.

Telephone Lines

Wired connections used for telecommunication, transmitting voice and data signals between different locations.

Modem

A device used to transfer information from one computer to another through telephone lines.