The correct answer is to explain that the whiskers show the range of typical scores, like the spread of data. This works because it translates the technical concept—whiskers extending to the minimum and maximum values within 1.5 times the interquartile range (IQR)—into plain language that non-technical stakeholders can grasp, focusing on the idea of a “typical” spread rather than statistical outliers. On the CompTIA Data+ DA0-001 exam, this question tests your ability to communicate data insights effectively, a key domain objective, and often appears as a scenario where a stakeholder asks about a box plot’s whiskers. A common trap is to dive into IQR calculations or outlier definitions, which confuses the audience; instead, remember that for non-savvy listeners, “whiskers = the range of typical scores” keeps it simple. Memory tip: Think of whiskers as the “wings” that show where most data flies, not the rare birds outside.
DA0-001 Communicating Data Insights Practice Question
This DA0-001 practice question tests your understanding of communicating data insights. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
An analyst presents a report to stakeholders who are not data-savvy. The report includes a box plot showing the distribution of customer satisfaction scores. One stakeholder asks, 'What do the whiskers mean?' Which communication strategy should the analyst use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Explain that the whiskers show the range of typical scores, like the spread of data.
Option A is correct because it uses plain language ('range of typical scores') to explain whiskers to a non-technical audience, aligning with the DA0-001 domain of communicating data insights effectively. The whiskers in a box plot typically extend to the minimum and maximum values within 1.5 times the interquartile range (IQR), representing the spread of data without outliers, which is accurately described as 'typical scores' for stakeholders who are not data-savvy.
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.
✓
Explain that the whiskers show the range of typical scores, like the spread of data.
Why this is correct
Plain language and analogies improve comprehension.
Related concept
Read the scenario before looking for a memorised answer.
✗
Provide a handout with definitions of box plot elements.
Why it's wrong here
A handout is passive and may not be read.
✗
Replace the box plot with a bar chart of average scores.
Why it's wrong here
This removes valuable distribution information.
✗
State that the whiskers represent the minimum and maximum values excluding outliers.
Why it's wrong here
This is technically correct but too jargon-heavy.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose Option D because it is technically accurate, but the exam tests the ability to tailor communication to the audience's data literacy, not just technical correctness.
Detailed technical explanation
How to think about this question
In a standard box plot, the whiskers extend to the most extreme data points within 1.5 * IQR from the first and third quartiles, where IQR = Q3 - Q1. Points beyond this range are plotted individually as outliers. This design balances showing the overall spread while highlighting potential anomalies, which is why explaining whiskers as 'typical scores' captures the essence without overwhelming the audience with the Tukey method or fence calculations.
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.
Communicating Data Insights — This question tests Communicating Data Insights — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Explain that the whiskers show the range of typical scores, like the spread of data. — Option A is correct because it uses plain language ('range of typical scores') to explain whiskers to a non-technical audience, aligning with the DA0-001 domain of communicating data insights effectively. The whiskers in a box plot typically extend to the minimum and maximum values within 1.5 times the interquartile range (IQR), representing the spread of data without outliers, which is accurately described as 'typical scores' for stakeholders who are not data-savvy.
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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Question Discussion
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