(I) Please explain your models and any hypotheses on the sign of the coefficients. Expalin rationale for each model you run.

(II) conduct the usual statistical checks would be expected and comment on the outcomes

The reason why I made this regression model is to analyze R-Square, Significance F, Coefficients and P-value to provide accurate answer to questions and hypothesis. For example R-square equals to 0.8435..=84.4% is able to explain the variation of change in salary=. High correlation with " Y". It is a good number. You just la unched yout Analytict Advisory Company. A prior mentor, Susan Sulpizio, saw your launch annecincement and asked for your help