Which Class Had the Smallest Standard Deviation

question 11

Multiple Choice

Which class had the smallest standard deviation?

• A)Class 3,because the shape is symmetric and unimodal.
• B)Class 1,because the shape is fairly symmetric and uniform.
• C)Class 3,because the shape has the highest number of students.
• D)Class 2,because the shape is skewed.
• E)None,because the classes had the same standard deviation.

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