Hypothesis Testing Quiz Review

At Pepsi, a sales rep claims that the average ounces in a can of soda is no more the 12.2 ounces. What is the null hypothesis?

At Pepsi, a sales rep claims that the average ounces in a can of soda is no more the 12.2 ounces. What is the alternative hypothesis?

Dunkin' Donuts claims that 75% of Americans prefer Dunkin' over Starbucks. What is the null hypothesis?

Dunkin' Donuts claims that 75% of Americans prefer Dunkin' over Starbucks. What is the alternative hypothesis?

In a comprehensive study, an insurance company claimed that the variance in speed for drivers on a highway is more than 15 mph. What is the null hypothesis?

In a comprehensive study, an insurance company claimed that the variance in speed for drivers on a highway is more than 15 mph. What is the alternative hypothesis?

A left-tailed test, with a significance of 0.05, has a 0.051 p value. Use the determination criteria to reject or fail to reject the null hypothesis.

• Not enough information

A two-tailed test, with a significance of 0.01, has a 0.03 p value. Use the determination criteria to reject or fail to reject the null hypothesis.

• Not enough information

A right-tailed test, with a significance of 0.05, has a 0.005 p value. Use the determination criteria to reject or fail to reject the null hypothesis.

• Not enough information

• True

• False

• Sometimes