A regression model relating 3, number of salespersons at a branch office, to y, annual sales at the office in thousands of dollars) provided the following computer output from a regression analysis of the data. Where ntotal = 32. ANOVA df MSF
Significance F SS 6863.5
Regression Residual
Total 9342.6
Stat P-value Intercept Number of Salespersons Coefficients 88.0 54.0 Standard Errort 12.175 5.865
a. Write the estimated regression equation (to whole number). y= Xx
b. Compute the F statistic and test the significance of the relationship at a 0.05 level of significance.