What Is a Correct Argument for Using a Two-Tailed Test

question 19

Multiple Choice

What is a correct argument for using a two-tailed test even if there is a clear basis for predicting a result in a given direction?

• A)If the null hypothesis is in fact true, a failure to reject it will give stronger evidence in support of it.
• B)One-tailed tests cannot be used in almost any real study involving two groups.
• C)If an unexpected result comes out opposite to what is predicted, it does not have to be ignored.
• D)A two-tailed test gives you a better chance of getting a significant result.

Describe the process and elements of collective bargaining.

Distinguish between union shop, closed shop, and right-to-work laws.

Recognize the role of major labor unions in the US.

Understand the economic effects of labor unions on wages and employment.