Lemma
EasyRegression & correlation
OpenStax, Introductory Statistics 2e §12.4 Testing the Significance of the Correlation Coefficient · Try It 1 · Statistics · Regression & correlation

Testing the Significance of the Correlation Coefficient · Try It 1

For a given line of best fit, you computed that r = 0.6501 using n = 12 data points and the critical value is 0.576. Can the line be used for prediction? Why or why not?

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Introductory Statistics 2e · §12.4 Testing the Significance of the Correlation Coefficient · Try It 1

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.