Tableau Creating and Formatting Visualizations 3 — Questions and Answers
Question 1: In Tableau, what is a 'dual axis' chart?
- A chart with two separate worksheets side by side
- A single view with two independent axes sharing the same row or column (Correct answer)
- A dashboard with two synchronized filters
- A chart comparing two data sources
Correct answer: A single view with two independent axes sharing the same row or column
A dual axis chart overlays two measures on the same space using two independent axes, enabling combination charts.
Question 2: Which Tableau formatting option controls the line style and color of grid lines in a view?
- Format > Borders
- Format > Lines (Correct answer)
- Format > Shading
- Format > Font
Correct answer: Format > Lines
Format > Lines controls grid lines, zero lines, axis rulers, and trend lines' visual styling.
Question 3: What does enabling 'Show Mark Labels' do in Tableau?
- Adds tooltips to each mark
- Displays the measure or dimension value directly on each mark (Correct answer)
- Shows the field name above the chart
- Enables drill-down on mark clicks
Correct answer: Displays the measure or dimension value directly on each mark
Show Mark Labels places the data value text directly on or near each mark in the visualization.
Question 4: When building a heat map in Tableau, which two shelves typically encode the intensity variable?
- Rows and Columns
- Color and Size (Correct answer)
- Label and Tooltip
- Detail and Path
Correct answer: Color and Size
Heat maps use Color to show intensity and optionally Size to reinforce magnitude on square marks.
Question 5: In Tableau, what is the effect of right-clicking a dimension pill and selecting 'Show Filter'?
- It removes the field from the view
- It adds an interactive filter control to the sheet or dashboard (Correct answer)
- It creates a calculated field based on the dimension
- It converts the dimension to a measure
Correct answer: It adds an interactive filter control to the sheet or dashboard
Show Filter adds a filter card to the view or dashboard that users can interact with to include or exclude dimension members.
Question 6: What is the function of the 'Stepped Color' option in Tableau's Edit Colors dialog?
- Creates a gradient with infinite shades
- Divides the color range into a fixed number of discrete color bands (Correct answer)
- Reverses the color palette
- Applies the color only to selected marks
Correct answer: Divides the color range into a fixed number of discrete color bands
Stepped Color quantizes a continuous color palette into a set number of discrete steps, making value ranges visually distinct.
Question 7: Which Tableau chart type requires the Path shelf to define the order of connections?
- Scatter plot
- Line chart
- Polygon map (Correct answer)
- Box-and-whisker plot
Correct answer: Polygon map
Polygon maps (filled map shapes) use the Path shelf to define the vertex drawing order for custom polygon marks.
In Tableau, what is a 'dual axis' chart?