Finicade
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Level 18 · ◆◆◆ · ~13 min

The Regression Line

The Regression Line

"The line that predicts y from x — its slope, its anchor, and the regression effect."

regression lineslope = r·SDy/SDxpoint of averagesregression effect
🚀 You're jumping ahead. This builds on The Correlation Coefficient — but play it now and you'll still earn full XP. If it feels steep, those make a gentler on-ramp.

A short lesson, then a quiz. ❤️×3 — a wrong answer costs a heart; finish with at least one left and the level is yours. Lose all three and you'll have to try again. Replay any time — XP and cleared levels are never lost.