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Question
Under what circumstances is it necessary to use the coefficient of variation to compare relative variability between two or more distributions?
A) When the means of the distributions are equal
B) When the means of the distributions are not equal
C) When the standard deviations of the distributions are not equal
D) When the standard deviations of the distributions are equal
Answer
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Related questions
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B) a bar chart.
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Which of the following is true about the difference between stem and leaf diagrams and histograms?
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B) decrease the class width.
C) keep the current class width.
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