Hi, having problems with this section. I am writing my chapter 3 of the dissertation.I don't understand how to do a power analysis?

For quantitative studies, a power analysis must be reported to include the parameters (e.g., effect size, alpha, beta, number of groups) that were included, and evidence must be presented that the minimum required sample size will be (proposal) or was (manuscript) reached. the sample is 200 pilots and 15 senior managers two-tailed t-test This is a mixed method, the pilots are the primary and senior managers as the secondary.

Hypotheses

H1.There is no effect of shortage the qualified experienced Part 121 pilots in the United States aviation and military industries.

H1.There is an effect of shortage the qualified experienced Part 121 pilots in the United States aviation and military industries.