Chapter 5 Multiple Choice Questions

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. Which of the following statements best describes our opinion of bar charts?

They are great alternatives to histograms. correct incorrect

They are rarely the best option for quantitative data. correct incorrect

They are a combination of the best features of a histogram and a boxplot. correct incorrect

They are preferable for scientifically trained readers. correct incorrect

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. Which of the following is always a good design choice to make when presenting boxplots of several samples?

Removing the whiskers to reduce clutter correct incorrect

Avoiding labelling the y-axis correct incorrect

Deleting outliers correct incorrect

None of the above correct incorrect

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. Which of the following could aid interpretation when comparing histograms of different samples?

Using the same bin sizes for each sample correct incorrect

Using contrasting colours for each histogram correct incorrect

Making bins as small as possible correct incorrect

Making bins as large as possible correct incorrect

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. In what situations might it be useful to manipulate the transparency of colours in a figure?

Where charts might have to be read in variable lighting conditions correct incorrect

In any situation when you want a chart to have a more professional look correct incorrect

When overlaying histograms on top of each other correct incorrect

When presenting data as a strip-chart correct incorrect

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. Complete the statement: "When comparing multiple samples of quantitative data, …"

…histograms are more effective than boxplots. correct incorrect

…Sturges' rule becomes more reliable than the Rice rule. correct incorrect

…effective use of colour is the most important issue. correct incorrect

…boxplots are generally more effective than histograms. correct incorrect

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. What should be an important consideration when deciding whether to use a boxplot or a bar chart?

Boxplots generally provide less detail about the distribution of the data than bar charts. correct incorrect

Bar charts generally provide less detail about the distribution of the data than boxplots. correct incorrect

Bar charts handle logged data more naturally than boxplots. correct incorrect

Bar charts are a better option for grouped data than boxplots. correct incorrect

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. In a situation where you had grouped data and plotted values from two different treatments alongside each other, it would be important to include a ______ to explain the difference in design feature (most commonly colour) used to differentiate the treatments.

Your response