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    Exam 2: Methods for Describing Sets of Data
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    If Nothing Is Known About the Shape of a Distribution
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If Nothing Is Known About the Shape of a Distribution

Question 132

Question 132

Multiple Choice

If nothing is known about the shape of a distribution, what percentage of the observations fall within 2 standard deviations of the mean?


A) at least 75%
B) at most 25%
C) approximately 95%
D) approximately 5%

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