Exam Desktop-Specialist Topic 4 Question 78 Discussion
Actual exam question for Tableau's Desktop-Specialist exam
Question #: 78
Topic #: 4
Question #: 78
Topic #: 4
True or False: Trend lines can only be used with numeric or date fields
Suggested Answer: B Vote an answer
Explanation
You can show trend lines in a visualization to highlight trends in your data.
To add trend lines to a view, both axes must contain a field that can be interpreted as a number. For example, you cannot add a trend line to a view that has the Product Category dimension, which contains strings, on the Columns shelf and the Profit measure on the Rows shelf.
However, you can add a trend line to a view of sales over time because both sales and time can be interpreted as numeric values.
You can show trend lines in a visualization to highlight trends in your data.
To add trend lines to a view, both axes must contain a field that can be interpreted as a number. For example, you cannot add a trend line to a view that has the Product Category dimension, which contains strings, on the Columns shelf and the Profit measure on the Rows shelf.
However, you can add a trend line to a view of sales over time because both sales and time can be interpreted as numeric values.
by Nathaniel at Jun 17, 2026, 06:45 AM
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