I need help solving the following problems, C, D, E please type answer

Mike Wilde is president of the teachers' union for Otsego School District. In preparing for upcoming negotiations, he is investigating the salary structure of classroom teachers in the district. He believes there are three factors that affect a teacher's salary: years of experience, a teaching effectiveness rating given by the principal, and whether the teacher has a master's degree. A random sample of 20 teachers resulted in the following data. Salary ($ Years of thousands), y Experience, x1 31.1 8 33.6 5 29.3 2 43.0 15 38.6 11 45.0 14 42.0 9 36.8 7 48.6 22 31.7 3 25.7 1 30.6 5 51.8 23 46.7 17 38.4 12 33.6 14 41.8 8 30.7 4 32.8 2 42.8 8 Principal's Rating, X2 35 43 51 60 73 80 76 54 55 90 30 44 84 76 68 25 90 62 80 72 Master's Degree, * x3 0 0 1 1 0 1 0 1 1 1 OOOOOO *1 = yes, O = no. picture Click here for the Excel Data File c. Conduct a global test of hypothesis to determine whether any of the regression coefficients differ from zero. Use the 0.05 significance level. (Round your answers to 2 decimal places.) HO is rejected if F> HO is rejected 0.05. Computed F = 0.59 . At least one regression coefficient is not zero. d. Conduct a test of hypothesis for the individual regression coefficients. Would you consider deleting any of the independent variables? Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) or right of A regression coefficient is dropped if computed t is to the left of Keep" "and" "drop" e. If your conclusion in part (d) was to delete one or more independent variables, run the analysis again without those variables. (Round your answers to 4 decimal places.) Dropping" "we have: Salary =