Data Visualization & Reporting Flashcards

Which metric type is best visualized with a gauge or bullet chart?

Answer: Progress toward a target or goal

Gauge and bullet charts show a value relative to a target or threshold.

Why might a pie chart with many slices be considered poor practice?

Answer: Human eyes struggle to compare angle sizes accurately

People compare angles poorly, so pie charts with many slices become hard to interpret.

What is the benefit of scheduling automated report delivery?

Answer: Stakeholders receive timely updates without manual effort

Automated scheduling ensures stakeholders get consistent, timely reports without manual work.

When designing for mobile dashboards, which approach is recommended?

Answer: Prioritize key metrics and use a responsive vertical layout

Mobile dashboards should prioritize key metrics in a responsive, scrollable vertical layout.

A box plot is primarily used to visualize what?

Answer: The distribution and spread of a dataset including outliers

A box plot displays the distribution, quartiles, median, and outliers of a dataset.

What is a common cause of misleading visualizations even when data is accurate?

Answer: Inappropriate axis scaling or cherry-picked time ranges

Manipulating axis scales or selecting narrow time ranges can distort accurate data.

Which is the best reason to use white space effectively in a dashboard?

Answer: To separate content and improve readability

White space separates elements and reduces clutter, improving overall readability.