Lemma
MediumRegression & correlation
OpenStax, Introductory Statistics 2e §12.3 The Regression Equation · Exercise 10 · Statistics · Regression & correlation

The Regression Equation · Exercise 10

Explain what it means when a correlation has an r^2 of 0.72.

~8 minWritten answer · check your work with Lemma

OpenStax, Introductory Statistics 2e · §12.3 The Regression Equation · Exercise 10

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.