# Lesson 11: Hypothesis Testing

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### Assignments

• Complete the 'Poll Monday' and 'Thinking Tuesday' Activities for Lesson 11.
• Read Chapters 22 and 23 in the text.
• Work through the Lesson 11 online notes that follow.
• Complete the Practice Questions and Lesson 11 Assignment.

### Learning Objectives

#### Chapters 22 and 23

After successfully completing this lesson, you should be able to:

• Formulate appropriate null and alternative hypotheses.
• Identify the type 1 and the type 2 error in the context of the problem.
• Use  the four basic steps to carry out a significance test in some basic situations.
• Interpret a p-value in terms of the problem.
• State an appropriate conclusion for a hypothesis test.

### Terms to Know

#### From Chapters 22 and 23

• hypothesis (significance) tests
• null hypothesis
• alternative hypothesis
• one-sided alternative
• two-sided alternative
• population mean
• population proportion (p)
• population percent
• sample estimate
• test statistic
• p-value
• type 1 error
• type 2 error
• statistical significance