Chapter 8 Multiple Choice Questions

. What might you choose to do in order to reduce the risk of misinterpretation of data presented in a plot with a non-zero lower bound for a y-axis?

Switch to a pie-chart to avoid using a y-axis

Include a trend line to show the overall pattern of the data

Include an inset plot where the y-axis is drawn with a lower bound of zero

Add a legend to remove any confusion about the variable(s) presented

. Which of the following outcomes might adding a background image to a plot most likely achieve?

Clearer and easier to interpret data points

Clearer and easier to interpret trend lines

Enhanced visual appeal

Increased clarity to colour-blind readers

. In what circumstance might you consider using a logarithmic axis?

The spread of your data points covers several orders of magnitude.

Extreme-valued data are of less interest to you.

Some of the data points have identical values.

The data are in the way of where you would like to place the legend.

. Which of the following is true when producing a scatterplot?

Only the x-axis should ever be logarithmic.

Only the y-axis should ever be logarithmic.

Either both, or neither, axes should ever be logarithmic.

None of the above

. Which of the following should be a key consideration when annotating images?

The use of an eye-catching variety of colours for annotations

The contrast of annotations against the background of the image

Keeping the figure caption as short as possible to avoid distracting from the annotations

Inclusion of a legend

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