# Significance tests (hypothesis testing)

### Learn

### Practice

Writing null and alternative hypothesesGet 3 of 4 questions to level up!

Estimating P-values from simulationsGet 3 of 4 questions to level up!

### Learn

### Practice

Type I vs Type II errorGet 3 of 4 questions to level up!

Error probabilities and powerGet 3 of 4 questions to level up!

### Learn

### Practice

Writing hypotheses for a test about a proportionGet 3 of 4 questions to level up!

Conditions for a z test about a proportionGet 3 of 4 questions to level up!

Calculating the test statistic in a z test for a proportionGet 3 of 4 questions to level up!

Calculating the P-value in a z test for a proportionGet 3 of 4 questions to level up!

Making conclusions in a z test for a proportionGet 3 of 4 questions to level up!

### Learn

### Practice

Writing hypotheses for a test about a meanGet 3 of 4 questions to level up!

Conditions for a t test about a meanGet 3 of 4 questions to level up!

Calculating the test statistic in a t test for a meanGet 3 of 4 questions to level up!

Calculating the P-value in a t test for a meanGet 3 of 4 questions to level up!

Making conclusions in a t test for a meanGet 3 of 4 questions to level up!