DA0-002 Visualization and Reporting Practice Question
In Tableau, a data analyst creates a calculated field to compute the average sales per customer. The analyst wants this calculation to remain constant regardless of the level of detail in the view. Which Tableau feature should be used?
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
✓
Level of Detail expression
Level of Detail (LOD) expressions allow calculations to be performed at a specific granularity independent of the view. FIXED LOD can compute average sales per customer and remain constant.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Table calculation
Why it's wrong here
Table calculations depend on the view's level of detail.
- ✓
Level of Detail expression
Why this is correct
LOD expressions control granularity independent of the view.
- ✗
Parameter
Why it's wrong here
Parameters are for user input, not for fixing granularity.
- ✗
Filter
Why it's wrong here
Filters limit data but do not fix granularity.
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