Recall & Review
beginner
What is trend analysis in Tableau?
Trend analysis in Tableau is the process of examining data over time to identify patterns or directions, such as increasing sales or seasonal changes.
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beginner
How do you add a trend line in Tableau?
You add a trend line by dragging a measure to Rows or Columns, then right-clicking the view and selecting 'Trend Lines' > 'Show Trend Lines'.
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intermediate
What types of trend lines can Tableau create?
Tableau can create linear, logarithmic, exponential, and polynomial trend lines to fit different data patterns.
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intermediate
Why is it important to check the R-squared value in trend analysis?
The R-squared value shows how well the trend line fits the data. A higher value means the trend line explains the data better.
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beginner
What is seasonality in trend analysis?
Seasonality is a repeating pattern in data over regular time intervals, like higher sales every December.
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Which Tableau feature helps you visualize trends over time?
✗ Incorrect
Trend Lines show the direction and pattern of data over time.
What does a high R-squared value indicate in a trend line?
✗ Incorrect
A high R-squared means the trend line closely matches the data points.
Which type of trend line would you use for data that grows exponentially?
✗ Incorrect
Exponential trend lines fit data that grows or decays at increasing rates.
What does seasonality in data mean?
✗ Incorrect
Seasonality means data repeats patterns regularly, like monthly or yearly.
How can you add a trend line in Tableau?
✗ Incorrect
Trend lines are added by right-clicking the view and enabling them.
Explain how to perform trend analysis in Tableau and why it is useful.
Think about how you see data change over months or years.
You got /5 concepts.
Describe the different types of trend lines Tableau offers and when to use each.
Consider how data might grow or change shape.
You got /4 concepts.