Quick Answer
The answer is a histogram and a box plot. These two visuals are the most suitable for showing the distribution of a single numeric variable because they directly reveal the shape, spread, central tendency, and outliers of the data. A histogram groups values into bins to display the frequency distribution, while a box plot summarizes the data through its quartiles, making it easy to spot skewness and extreme values. On the Microsoft Power BI Data Analyst PL-300 exam, this concept tests your ability to choose the right chart type for univariate analysis—a common trap is selecting a scatter plot (which shows correlation between two variables) or a pie chart (which shows parts of a whole). Remember, when you need the best visuals for distribution of a numeric variable, think of the histogram for the full shape and the box plot for a compact summary. A simple memory tip: “Histogram for the hill, box plot for the spread.”
This PL-300 practice question tests your understanding of visualize and analyze the data. 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.
Which TWO visuals are most suitable for showing the distribution of a single numeric variable? (Choose two.)
Pie chart
Why wrong: Pie charts show proportions.
Scatter chart
Why wrong: Scatter charts show relationships between two variables.
Box and whisker plot
Box plots show distribution and outliers.
Histogram
Histograms show frequency distribution.
Bar chart
Why wrong: Bar charts compare categories.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Box and whisker plot
A and D are correct for distribution. B is for correlation, C is for parts of a whole, and E is for comparing categories.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Pie chart
Why it's wrong here
Pie charts show proportions.
Scatter chart
Why it's wrong here
Scatter charts show relationships between two variables.
Box and whisker plot
Why this is correct
Box plots show distribution and outliers.
Related concept
Read the scenario before looking for a memorised answer.
Histogram
Why this is correct
Histograms show frequency distribution.
Related concept
Read the scenario before looking for a memorised answer.
Bar chart
Why it's wrong here
Bar charts compare categories.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
Pie charts show proportions.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which PL-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Visualize and analyze the data — This question tests Visualize and analyze the data — Read the scenario before looking for a memorised answer..
The correct answer is: Box and whisker plot — A and D are correct for distribution. B is for correlation, C is for parts of a whole, and E is for comparing categories.
Identify which PL-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 21, 2026
This PL-300 practice question is part of Courseiva's free Microsoft 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 PL-300 exam.
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