Intro to Stats 9.1 Hypothesis Testing Part 3

Hypothesis Testing - Post video questions on Section 9.1

Multiple Select

What are the two types of hypotheses?

• no hypothesis

• null hypothesis

• alternative hypothesis

• Other hypothesis

• new hypothesis

Multiple Select

What are the two results of hypothesis testing?

• Fail to reject the null hypothesis true

• Reject the alternative hypothesis

• Prove alternative hypothesis is true

• Reject the null hypothesis

• Prove the null hypothesis is true.

Multiple Select

What are the two most common levels of significance?

• 1 %

• 10%

• 90%

• 5%

• 95%

Multiple Choice

Is the alternative hypothesis one sided or two sided?

The average television show in 1990 was 24 minutes. Johan believes that today's tv shows are shorter.

• one sided

• two sided

• No way to tell.

Multiple Choice

Is the alternative hypothesis one sided or two sided?

The proportion of people globally who prefer soccer as their favorite sport is 62%. Aliza suspects 62% is incorrect. She takes a sample in her hometown and finds 68% prefer soccer.

• one sided

• two sided

• No way to tell.