When to use a Draw the Line Chart
You want readers to engage with a trend
A guess makes the reader invest in the answer before seeing it, so the result lands harder.
You are writing about a surprising change
Where people expect a line to go and where it really went is often the story.
You are building a quiz or training piece
Onboarding material and classroom exercises benefit from asking before telling.
You have a time series with a clear shape
A single dramatic rise or fall makes the guess, and the reveal, more satisfying.