22.1 A major in the Air Force wanted to find a way to predict whether a particular airman would be promoted to sergeant within 4 years of enlisting in the military. He had data on many characteristics of individuals prior to enlistment. He chose three variables that he thought might be useful in determining whether they would get the early promotion.

They are listed in the table showing the SPSS Variable View below. He selected a random sample of 30 individuals and compiled the required information. Your task is to develop a prediction equation that might assist the major in efforts to predict early promotion for his young airman. Write the research question(s) and the null and alternative hypotheses. The major’s variable information and data are as follows: