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

question 109

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 frequency for the class of 20 - 29

• A)is 200
• B)is 300
• C)is 0.75
• D)is 0.50

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Definitions:

Identification Line

A line at the bottom of a letter containing the letter writer’s initials and the typist’s initials.

Typist's Initials

The initials used by a typist as a form of identifying or signing off on documents they have prepared or worked on.

Inside Address

The name and address of the person to whom the letter is being sent. It appears on a business letter two to four spaces down from the date. It should be two, three, or four lines in length.

Business Letter

A formal document used for communication between companies, or between a company and an individual, characterized by a structured layout and professional tone.