6. Inference for Categorical Data(COLON) Proportions

Introducing Inference For Categorical Data: Do We Really Know The Proportion? — Quiz

Test your understanding of introducing inference for categorical data: do we really know the proportion? with 5 practice questions.

Practice Questions

Question 1

In AP Statistics, what is a population proportion, often written as $p$?

Question 2

Which symbol is commonly used for a sample proportion?

Question 3

Why do statisticians use a sample to learn about a population proportion?

Question 4

What is the main goal of a confidence interval for a population proportion?

Question 5

In a significance test for a population proportion, what is the null hypothesis usually about?