What Does It Mean If the Standard Deviation of a Distribution

question 34

Multiple Choice

What does it mean if the standard deviation of a distribution of quiz grades is 0?

• A) An equal number of people received each grade (A, B, C, D, and E).
• B) The distribution is a normal, bell-shaped curve.
• C) Everyone in the class received the same grade or score.
• D) Everyone in the class received a different grade.

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Definitions:

State Laws

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Collective Bargaining Rights

The legal right granted to employees to negotiate terms and conditions of employment through chosen representatives with their employer.

Landrum-Griffin Act

A US federal law enacted in 1959 to regulate labor unions' internal affairs and their officials' relationships with employers.

NLRB

The National Labor Relations Board, a U.S. federal agency responsible for enforcing U.S. labor law in relation to collective bargaining and unfair labor practices.