A data analyst is presenting the results of a survey to a client. The survey asked respondents to rate their satisfaction on a scale of 1 to 5. The analyst wants to show the distribution of responses. Which visualization would be most honest and clear?

A histogram with bins of 1-2, 3-4, and 5

A pie chart showing the proportion of each rating

A line chart connecting the counts for each rating

A bar chart showing the count of each rating (1-5)

Which practice improves the accessibility of a visualization for users with color vision deficiency?

Using red and green as the only distinguishing colors

Adding patterns or labels in addition to color

Increasing the brightness of all colors

A data analyst is creating a line chart for a presentation to senior management. The chart shows quarterly revenue for the past two years. To ensure the chart is accessible to all viewers, including those with low vision, which practice is most important?

Using a complex background pattern

Using a thin line with a light color

Using a thick line with high contrast against the background

Adding a legend with small text

A data analyst is creating a bar chart to compare the average customer satisfaction scores of three support teams. Team A scored 4.8, Team B scored 4.5, and Team C scored 4.2. The analyst wants to emphasize the difference between the teams. Which chart design choice is deceptive and should be avoided?

Ordering the bars from highest to lowest score

Starting the y-axis at 4.0 instead of 0

Labeling the y-axis as 'Average Satisfaction Score'

Using a bar chart with a y-axis that starts at 0

A data analyst is preparing a visualization for a stakeholder meeting about customer churn. The company has data on customer demographics, usage patterns, support tickets, and billing history. The stakeholder specifically wants to understand which factors are most strongly associated with churn. Which data set should the analyst include in the visualization?

All available data, to provide a complete picture

Only demographic data, because it is the most stable

Only the data that shows a strong correlation with churn, such as usage frequency and support ticket volume

Only billing history, because it is the most objective

CompTIADataX

Domain 2Objective 5

Results Communication DY0-001 Practice Questions (Page 4)

Part of the Modeling, analysis, and outcomes domain, which accounts for 24% of the DY0-001 exam. CompTIA does not publish an official question count, but from its 165-minute exam (~65–110 total, ~16–26 in this domain), expect 3–5 from this objective — we provide 20 practice questions to prepare you well beyond it. (estimate)

20questions here

4free pages

4concepts

24%of the exam

Questions 16–20

16application · medium
A data analyst is presenting the results of a survey to a client. The survey asked respondents to rate their satisfaction on a scale of 1 to 5. The analyst wants to show the distribution of responses. Which visualization would be most honest and clear?
Select an answer first
17foundation · easy
Which practice improves the accessibility of a visualization for users with color vision deficiency?
Select an answer first
18application · medium
A data analyst is creating a line chart for a presentation to senior management. The chart shows quarterly revenue for the past two years. To ensure the chart is accessible to all viewers, including those with low vision, which practice is most important?
Select an answer first
19application · medium
A data analyst is creating a bar chart to compare the average customer satisfaction scores of three support teams. Team A scored 4.8, Team B scored 4.5, and Team C scored 4.2. The analyst wants to emphasize the difference between the teams. Which chart design choice is deceptive and should be avoided?
Select an answer first
20application · medium
A data analyst is preparing a visualization for a stakeholder meeting about customer churn. The company has data on customer demographics, usage patterns, support tickets, and billing history. The stakeholder specifically wants to understand which factors are most strongly associated with churn. Which data set should the analyst include in the visualization?
Select an answer first

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Results Communication DY0-001 Practice Questions (Page 4)

Questions 16–20

A data analyst is presenting the results of a survey to a client. The survey asked respondents to rate their satisfaction on a scale of 1 to 5. The analyst wants to show the distribution of responses. Which visualization would be most honest and clear?

Which practice improves the accessibility of a visualization for users with color vision deficiency?

A data analyst is creating a line chart for a presentation to senior management. The chart shows quarterly revenue for the past two years. To ensure the chart is accessible to all viewers, including those with low vision, which practice is most important?

Keep studying — Modeling, analysis, and outcomes