6. Inference for Categorical Data(COLON) Proportions
Setting Up A Test For A Population Proportion — Quiz
Test your understanding of setting up a test for a population proportion with 5 practice questions.
Practice Questions
Question 1
In a test for a population proportion, what is the parameter of interest?
Question 2
A researcher wants to test whether the proportion of all students who prefer online homework is greater than $0.50$. What are the null and alternative hypotheses?
Question 3
Which sample condition is commonly checked before performing a one-proportion $z$ test?
Question 4
What is the test statistic for a one-proportion $z$ test?
Question 5
A survey of $200$ people finds that $118$ support a new policy. To test whether the true proportion who support the policy differs from $0.50$, what is the sample proportion $\hat{p}$?