Interpreting Box Plots: Variability (IQR) Comparisons
Analyze box plots to compare the variability and interquartile ranges of different distributions. Use visual representations to determine which data set is more spread out.
Questions
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MultiChoice
Box Plot A box extends from 10 to 20. Box Plot B box extends from 12 to 16. Which has the larger IQR?
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MultiChoice
Plot 1: Q1=30, Q3=50. Plot 2: Q1=35, Q3=45. What is the difference between their IQRs?
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MultiChoice
Box Plot X box width is 15 units. Box Plot Y box width is 25 units. Which data set is more spread out in the middle?
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MultiChoice
Plot A IQR = 8, Plot B IQR = 8. Do they necessarily have the same overall range?
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MultiChoice
If Plot 1 has Q1 = 5, Q3 = 15 and Plot 2 has Q1 = 10, Q3 = 30, which ratio compares IQR 2 to IQR 1?
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MultiChoice
What does a longer box in a box plot represent?
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MultiChoice
Plot A box length = 14, Plot B box length = 7. How do their middle 50% spreads compare?
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MultiChoice
Plot X: Q1=100, Q3=140. Plot Y: Q1=110, Q3=130. Which has smaller variability in the middle 50%?
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MultiChoice
If Plot A IQR is 12 and Plot B IQR is 4, how many times larger is Plot A IQR?
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MultiChoice
What is the IQR of a box plot with Q1 = 18, Median = 22, Q3 = 28?
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MultiChoice
Two distributions have IQRs of 6 and 18. What is the difference in their variability (IQR)?
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MultiChoice
If Box Plot 1 has a wider box than Box Plot 2, what can we conclude about their IQR?