Table 7.21 shows results of fitting the mean response model to Table 7.8 using scores (3, 10,

Question:

Table 7.21 shows results of fitting the mean response model to Table 7.8 using scores (3, 10, 20, 35} for income and (1, 3, 4, 5) for job satisfaction. Interpret the income effect, provide a confidence interval for the difference in mean satisfaction at income levels 35 and 3, controlling for gender, and check the model fit.

Table 7.21:

Chi- Square DF Pr > Chisq Source Residual 6.99 0.2211 Analysis of Weighted Least Squares Estimates Parameter Chi- Square