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.

Problem 2:

What is the difference in growth rate between publicly traded enterprises and privately held firms?

Conduct a post hoc analysis with a sample size of 100, a medium effect size, and an alpha of .01, what is the power of your study? Explain what the post-hoc power means. Show your work by providing your G*Power output.