Lemma
MediumANOVA
OpenStax, Introductory Business Statistics 2e §12.1 Test of Two Variances · Exercise 19 · Statistics · ANOVA

Test of Two Variances · Exercise 19

The following table lists the number of pages in four different types of magazines.


Which two magazine types do you think have the same variance in length?

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

~8 minWritten answer · check your work with Lemma

OpenStax, Introductory Business Statistics 2e · §12.1 Test of Two Variances · Exercise 19

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.