Using G*Power and the information provided, answer the following:

Problem 1:

To what extent does age, race, and gender predict the annual salary of bank presidents?

Conduct an a-priori analysis, a medium effect size, and alpha of .05 and a power of .80.What is the sample size you need to prevent a type II error?What is a type error, and how does an adequate sample prevent it? Show your work by providing your G*Power output.