Comparing IQRs (Interquartile Range) of Two Distributions
Learn how to compare the interquartile ranges of two data distributions to assess their spread. Evaluate which data set demonstrates greater variability.
Questions
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MultiChoice
Distribution A has IQR = 10, Distribution B has IQR = 4. Which distribution has greater variability in the middle 50%?
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MultiChoice
Dataset 1 Q3 = 25, Q1 = 15. Dataset 2 Q3 = 30, Q1 = 12. What are their respective IQRs?
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MultiChoice
What does a smaller Interquartile Range (IQR) indicate about a data set?
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MultiChoice
Sample X IQR = 15, Sample Y IQR = 15. What can you conclude about their middle 50% spread?
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MultiChoice
Box plot A box length is 12 units, Box plot B box length is 6 units. Which has the larger IQR?
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MultiChoice
How is IQR calculated from a box plot?
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MultiChoice
Plant Group 1 IQR = 3 cm, Plant Group 2 IQR = 8 cm. Which group has more consistent middle growth?
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MultiChoice
If Dataset A IQR is 8 and Dataset B IQR is 16, how do their spreads compare?
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MultiChoice
Brand X battery life IQR = 2 hours, Brand Y battery life IQR = 7 hours. Which brand is more predictable in performance?
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MultiChoice
What portion of the data set is represented within the IQR?
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MultiChoice
Group A IQR = 5, Group B IQR = 10. What is the difference between their IQRs?
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MultiChoice
Why is IQR preferred over Range when outliers are present?