Choosing Chart Types for Comparing Variables Quiz
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Questions and Answers

What is the primary purpose of a univariate chart?

  • To visualize the geographic location of data points
  • To visualize the relationship between two variables
  • To visualize changes in multiple variables
  • To visualize the change or distribution of a single variable (correct)

    • Which of the following chart types is best suited for visualizing the distribution or spread of a variable?

  • Density curve
  • Histogram (correct)
  • Bar chart
  • Univariate map

    • What is the key difference between a histogram and a density curve in visualizing distributions?

  • Density curves are better for visualizing skewed distributions.
  • Histograms put data in bins, while density curves do not. (correct)
  • Density curves are more "math-forward" than histograms.
  • Histograms are better for visualizing the center of the distribution.

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