Associate Data Practitioner · Free Practice Question Medium
Question 16
A data analyst wants to compare actual sales performance against targets across different regions. Which visualization approach would be most effective?
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A
Pie charts showing the proportion of sales by region
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B
Bullet charts showing actual values against targets for each region
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C
Line charts showing sales trends over time
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D
Scatter plots comparing sales against the number of customers
Reveal correct answer
Correct answer: B
Explanation
Option B is CORRECT. Bullet charts are specifically designed for comparing actual performance against targets. They display the actual value as a primary bar, the target as a marker line, and often include qualitative ranges (poor/satisfactory/good) as background bands. This format makes it immediately clear which regions are meeting or exceeding targets and by how much, providing precisely the comparative performance view needed for effective regional analysis.
Option A is INCORRECT. Pie charts only show the proportion of total sales contributed by each region but provide no comparison to targets. They focus on part-to-whole relationships rather than performance against goals, making them unsuitable for this analysis where the target comparison is the primary concern.
Option C is INCORRECT. While line charts effectively show trends over time, they don't clearly highlight the comparison between actual sales and targets for multiple regions simultaneously. They're better suited for temporal analysis than for the point-in-time performance comparison against targets requested in this scenario.
Option D is INCORRECT. Scatter plots show relationships between two variables (sales and number of customers in this case) but don't incorporate target values effectively. This visualization would show correlation between sales and customer count but wouldn't address the core requirement of comparing actual performance against targets by region.
Discussion
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