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Questions and Answers
Stem-and-leaf plots are commonly used to identify individual values within data.
Stem-and-leaf plots are commonly used to identify individual values within data.
True
A Pareto chart displays data in descending order, typically following the 80-20 rule.
A Pareto chart displays data in descending order, typically following the 80-20 rule.
True
In a Pareto chart, bars represent the frequency of each category, while a line shows cumulative percentage.
In a Pareto chart, bars represent the frequency of each category, while a line shows cumulative percentage.
True
The purpose of a Pareto chart is to highlight the most important factors in a dataset.
The purpose of a Pareto chart is to highlight the most important factors in a dataset.
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Pareto charts are best used for continuous data.
Pareto charts are best used for continuous data.
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The “vital few” in a Pareto chart refers to categories with minimal impact on the total.
The “vital few” in a Pareto chart refers to categories with minimal impact on the total.
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When interpreting a Pareto chart, focus on the categories that contribute to 80% of the effect.
When interpreting a Pareto chart, focus on the categories that contribute to 80% of the effect.
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A parallel coordinates plot displays multiple variables by representing each variable as a vertical axis.
A parallel coordinates plot displays multiple variables by representing each variable as a vertical axis.
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Each line in a parallel coordinates plot represents an observation across multiple variables.
Each line in a parallel coordinates plot represents an observation across multiple variables.
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Parallel coordinates plots are only effective for datasets with three or fewer variables.
Parallel coordinates plots are only effective for datasets with three or fewer variables.
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