TABLE 14-2
A professor of industrial relations believes that an individual's wage rate at a factory (Y) depends on his performance rating (X₁) and the number of economics courses the employee successfully completed in college (X₂). The professor randomly selects 6 workers and collects the following information:
-Referring to Table 14-2, an employee who took 12 economics courses scores 10 on the performance rating. What is her estimated expected wage rate?
A) 10.90
B) 12.20
C) 24.87
D) 25.70

Question

TABLE 14-2
A professor of industrial relations believes that an individual's wage rate at a factory (Y) depends on his performance rating (X₁) and the number of economics courses the employee successfully completed in college (X₂). The professor randomly selects 6 workers and collects the following information: 
-Referring to Table 14-2, an employee who took 12 economics courses scores 10 on the performance rating. What is her estimated expected wage rate?
A) 10.90 
B) 12.20 
C) 24.87 
D) 25.70

Quizplus · Accepted Answer

The estimated expected wage rate is calculated using the regression equation provided in Table 14-2, which relates the number of economics courses and performance rating to the wage rate. Given the employee's scores, the calculation results in an estimated wage rate of 24.87.

TABLE 14-2 A Professor of Industrial Relations Believes That an Individual's Wage