Data Visualization Flashcards
7 cards from real PowerPoint Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Visualization flashcards as text
Which PowerPoint chart type displays data points as bubbles where the bubble size represents a third variable?
Answer: Bubble chart
Bubble charts extend scatter plots by using bubble size to encode a third numeric dimension, allowing three-variable comparisons.
What is the correct way to format only one specific bar in a clustered bar chart in PowerPoint without affecting the other bars?
Answer: Click the bar once to select the series, then click it again to select just that bar, then format
Double-clicking first selects the entire series; a second click on the same bar isolates that single data point for individual formatting.
In PowerPoint, which option under 'Format Data Series' controls the gap between clustered columns?
Answer: Gap Width
Gap Width sets the space between column groups as a percentage of the bar width, controlling visual density.
A radar (spider) chart is most appropriate for which scenario?
Answer: Comparing multiple attributes of several items simultaneously on a multi-axis layout
Radar charts plot multiple quantitative variables on axes radiating from the center, ideal for comparing profiles across categories.
What PowerPoint feature lets you save a custom chart style so it can be reused as the default for new charts in the same presentation?
Answer: Save as Template
Save as Template stores a chart's formatting in a .crtx file that appears in the Templates folder when inserting future charts.
Which principle of data visualization does reducing 'chart junk' in PowerPoint refer to?
Answer: Removing unnecessary decorative elements that add visual noise without aiding comprehension
Chart junk, coined by Tufte, refers to visual clutter like excessive gridlines, 3-D effects, or decorative fills that distract from the data.
When you apply a chart layout preset in PowerPoint (e.g., Layout 5), what elements does it automatically configure?
Answer: Predefined combinations of title, legend, data labels, and axis label positions
Chart Layout presets instantly apply combinations of visible chart elements (title placement, legend position, data labels) in one click.