- A
Line chart
Why wrong: Line charts are best for trends over time, not correlations between two variables.
- B
Scatter plot
Scatter plots show the relationship between two continuous variables.
- C
Bar chart
Why wrong: Bar charts compare categories, not relationships between two numeric variables.
- D
Pie chart
Why wrong: Pie charts show part-to-whole relationships, not correlations.
Question 735 of 1,000
DA0-001 Visualising Data Practice Question
This DA0-001 practice question tests your understanding of visualising data. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A data analyst wants to show the relationship between advertising spend and sales revenue for 50 stores. Which chart type is most appropriate?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Scatter plot
A scatter plot is the most appropriate chart for showing the relationship between two continuous variables—advertising spend and sales revenue—across 50 stores. Each point on the plot represents one store, allowing the analyst to visually assess correlation, trends, or outliers. This aligns with the DA0-001 objective of selecting visualizations that best represent bivariate relationships.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Line chart
Why it's wrong here
Line charts are best for trends over time, not correlations between two variables.
- ✓
Scatter plot
Why this is correct
Scatter plots show the relationship between two continuous variables.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Bar chart
Why it's wrong here
Bar charts compare categories, not relationships between two numeric variables.
- ✗
Pie chart
Why it's wrong here
Pie charts show part-to-whole relationships, not correlations.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a line chart (which connects points in sequence) with a scatter plot (which treats points as independent observations), leading them to incorrectly choose a line chart when no temporal or ordered dimension exists.
Trap categories for this question
Command / output trap
Pie charts show part-to-whole relationships, not correlations.
Detailed technical explanation
How to think about this question
Under the hood, a scatter plot maps each data point to Cartesian coordinates (x, y), where x represents advertising spend and y represents sales revenue. This allows the analyst to compute and visualize the Pearson correlation coefficient or fit a regression line to quantify the strength and direction of the relationship. In real-world scenarios, scatter plots are essential for detecting heteroscedasticity or non-linear patterns that summary statistics alone would miss.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the DA0-001 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this DA0-001 question test?
Visualising Data — This question tests Visualising Data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Scatter plot — A scatter plot is the most appropriate chart for showing the relationship between two continuous variables—advertising spend and sales revenue—across 50 stores. Each point on the plot represents one store, allowing the analyst to visually assess correlation, trends, or outliers. This aligns with the DA0-001 objective of selecting visualizations that best represent bivariate relationships.
What should I do if I get this DA0-001 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This DA0-001 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-001 exam.
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