Lemma
MediumHypothesis testing
OpenStax, Statistics §10.1 Two Population Means with Unknown Standard Deviations · Exercise 15 · Statistics · Hypothesis testing

Two Population Means with Unknown Standard Deviations · Exercise 15

Indicate if the hypothesis test is for

A high school principal claims that 30 percent of student athletes drive themselves to school, while 4 percent of nonathletes drive themselves to school. In a sample of 20 student athletes, 45 percent drive themselves to school. In a sample of 35 nonathlete students, 6 percent drive themselves to school. Is the percent of student athletes who drive themselves to school more than the percent of nonathletes?

~8 minWritten answer · compare with the solution

OpenStax, Statistics · §10.1 Two Population Means with Unknown Standard Deviations · Exercise 15

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.