A Teacher Grading Statistics Homework Finds That None of the Students

question 13

Multiple Choice

A teacher grading statistics homework finds that none of the students has made more than three errors.14% have made three errors,25% have made two errors,and 39% have made one error.Find the standard deviation of the number of errors in students' statistics homework.

• A)0.97
• B)0.93
• C)0.89
• D)1.07
• E)0.82

Understand the advantages and drawbacks of messaging in professional communication.

Recognize the importance of planning and organizing messaging for efficiency and effectiveness.

Differentiate between personal and professional use of instant messaging.

Apply the three-step writing process to instant messages and messaging exchanges.

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Definitions:

Tools Of Rhetoric

Various methods and techniques used in communication and persuasion, including the use of language, structure, and appeals to emotion or logic.

Ethos

The characteristic spirit, moral values, or guiding beliefs of a culture, community, or organization.

Tools Of Rhetoric

Various strategies used in communication to persuade or inform audiences, including ethos, pathos, logos, and other rhetorical devices.

Logos

A symbol or other design adopted by an organization to identify its products, uniform, vehicles, etc.