CBDA Data Visualization & Communication 2

Question 1

Which of the following BEST describes an executive dashboard in the context of business data analytics?

Accepted Answer

A high-level summary of KPIs enabling quick strategic decisions

Answer

An executive dashboard distills key performance indicators into a concise view that supports strategic decision-making.

Question 2

When a CBDA analyst uses 'small multiples,' they are applying which visualization technique?

Accepted Answer

Creating several small charts with the same scale to compare across a variable

Answer

Small multiples repeat the same chart structure for different subgroups, enabling side-by-side comparison.

Question 3

Which of the following is a key principle of effective data storytelling for business analysts?

Accepted Answer

Lead with a clear insight and support it with evidence

Answer

Effective data storytelling begins with the key insight, then uses evidence to support and contextualize it.

Question 4

In a business report, what is the purpose of 'annotation' on a chart?

Accepted Answer

To highlight specific data points or trends with explanatory text

Answer

Annotations draw the audience's attention to key moments or outliers and provide direct explanatory context.

Question 5

A CBDA analyst notices that a bar chart misleads viewers by starting the Y-axis at 500 instead of 0. This is an example of which problem?

Accepted Answer

Truncated axis distortion

Answer

A truncated Y-axis exaggerates differences between bars, misleading the audience about the true magnitude of change.

CBDA - Certified Business Data Analyst Practice Test