Displaying Data flashcards

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What does “Dot Plots” mean?Dot Plots and Histograms: A display retaining numerical observations as individually plotted marks.
What important condition applies to dot plots?Dot Plots and Histograms: Distinct value positions and total observations are different counts.
What does “Histograms” mean?Dot Plots and Histograms: A display of a numerical distribution using adjacent interval bins.
What important condition applies to histograms?Dot Plots and Histograms: Unequal-width density histograms require reading areas.
What does “Histogram Bins” mean?Dot Plots and Histograms: Intervals used to group numerical observations for a histogram.
What important condition applies to histogram bins?Dot Plots and Histograms: Specify an endpoint convention to avoid duplicate counts.
What does “Interquartile Range” mean?Box Plots: The spread between the lower and upper quartiles.
What important condition applies to interquartile range?Box Plots: State a quartile convention when computing small-sample quartiles from raw data.
What does “Median” mean?Box Plots: The center of an ordered numerical dataset.
What important condition applies to median?Box Plots: Sort before selecting the middle position.
What does “Choosing a Data Display” mean?Choosing an Appropriate Display: A graphical format selected to match the variable and purpose.
What important condition applies to choosing a data display?Choosing an Appropriate Display: Do not connect unordered category labels as if they were a time sequence.
What does “Time-Series Ordering” mean?Choosing an Appropriate Display: Comparing observations while preserving their chronological sequence.
What important condition applies to time-series ordering?Choosing an Appropriate Display: One time-to-time change is not proof of a persistent trend.