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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