Skip to main content

Back to the full dot-point answer

United StatesStatisticsQuick questions

Unit 6: Inference for Categorical Data: Proportions

Quick questions on Setting up a two-proportion z-test - AP Statistics Unit 6

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
Show answer
Compute the pooled proportion for x1=40,n1=100,x2=60,n2=200x_1 = 40, n_1 = 100, x_2 = 60, n_2 = 200. [1 point]
What is q2?
Show answer
Why does a two-proportion test pool the proportions while the interval does not? [1 point]
What is large-counts check with the wrong proportion?
Show answer
For the test, check counts with p^c\hat{p}_c (reasoning under H0H_0), not with p^1\hat{p}_1 and p^2\hat{p}_2.

Have a question we have not covered?

This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.

All StatisticsQ&A pages