Podcast
Questions and Answers
What is the main drawback of a pie chart?
What is the main drawback of a pie chart?
- Efficient in data-to-ink ratio
- Struggles to judge the relative size of pie slices (correct)
- Takes up minimal space for presenting data
- Colors do not need to have high contrast
Which type of chart is best for visualizing trends over intervals of time?
Which type of chart is best for visualizing trends over intervals of time?
- Histogram
- Bar chart
- Pie chart
- Line chart (correct)
What is a key characteristic of a Pareto chart?
What is a key characteristic of a Pareto chart?
- Values are plotted in ascending order
- Displays data points as connected line segments
- Used to illustrate the 80-20 rule (correct)
- Shows frequencies as adjacent rectangles
What is a common practice to enhance the perception of correlations in scatterplots?
What is a common practice to enhance the perception of correlations in scatterplots?
Which graphical representation is best suited for indicating outliers in numerical data?
Which graphical representation is best suited for indicating outliers in numerical data?
What is a key characteristic of table lens for visualizing correlations among variables?
What is a key characteristic of table lens for visualizing correlations among variables?
Which layout places vertices either vertically or horizontally, aligned along axes, but has the drawback of bad aspect ratio resulting in wasted space?
Which layout places vertices either vertically or horizontally, aligned along axes, but has the drawback of bad aspect ratio resulting in wasted space?
In which layout are the nodes of different hierarchy located on circles of different radii, with the root at the center, and the distance to the center equivalent to node depth?
In which layout are the nodes of different hierarchy located on circles of different radii, with the root at the center, and the distance to the center equivalent to node depth?
Which layout allows for better space utilization by placing nodes of different hierarchy on circles of increasing radius from the center?
Which layout allows for better space utilization by placing nodes of different hierarchy on circles of increasing radius from the center?
Which method in graph layout is known to require much scrolling in big data browsing due to its inherent structure?
Which method in graph layout is known to require much scrolling in big data browsing due to its inherent structure?
Which layout has the hierarchical nodes aligned in a way that the depth of the nodes determines their distance from the center?
Which layout has the hierarchical nodes aligned in a way that the depth of the nodes determines their distance from the center?
What is the purpose of maximizing the data-ink ratio?
What is the purpose of maximizing the data-ink ratio?
According to best practices, why should bars in graphs always start at 0 on the quantitative scale?
According to best practices, why should bars in graphs always start at 0 on the quantitative scale?
What is emphasized about using colour in charts according to the text?
What is emphasized about using colour in charts according to the text?
Why is it recommended to avoid using point alone to display time-series data?
Why is it recommended to avoid using point alone to display time-series data?
What should be considered when using colour to encode a sequential range of quantitative values?
What should be considered when using colour to encode a sequential range of quantitative values?
Why is it advised to avoid unnecessary color shading for the bars in bar charts?
Why is it advised to avoid unnecessary color shading for the bars in bar charts?
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