top of page

Unit 5: Inference about proportions
Unit 5 tests students' ability to:
-
Create confidence intervals and hypothesis testing for one and two proportions
If you're trying to find the z-star for a 90% confidence interval:
z-star = invNorm( (1-0.9)/2 , 0, 1)
The video and notes say to do invNorm(0.9, 0, 1) and that's wrong
Statistics, Maths, AP Statistics, help, AP Stats
bottom of page