Instruction 13.2
A lecturer in industrial relations believes that an individual's wage rate at a factory (Y) depends on his performance rating (X 1 ) and the number of economics courses the employee successfully completed at university (X 2 ). The lecturer randomly selects six workers and collects the following information:
$$\begin{array} { | l | l | l | l | }
\hline \text { Employee } & Y ( \$ ) & X 1 & X 2 \
\hline 1 & 10 & 3 & 0 \
\hline 2 & 12 & 1 & 5 \
\hline 3 & 15 & 8 & 1 \
\hline 4 & 17 & 5 & 8 \
\hline 5 & 20 & 7 & 12 \
\hline 6 & 25 & 10 & 9 \
\hline
\end{array}$$
-Referring to Instruction 13.2,suppose an employee had never taken an economics course and managed to score a 5 on his performance rating.What is his estimated expected wage rate?
A) $12.20
B) $25.11
C) $10.90
D) $17.23

Question

Instruction 13.2
A lecturer in industrial relations believes that an individual's wage rate at a factory (Y) depends on his performance rating (X 1 ) and the number of economics courses the employee successfully completed at university (X 2 ). The lecturer randomly selects six workers and collects the following information:
 $$\begin{array} { | l | l | l | l | } 
\hline \text { Employee } & Y ( \$ ) & X 1 & X 2 \
\hline 1 & 10 & 3 & 0 \
\hline 2 & 12 & 1 & 5 \
\hline 3 & 15 & 8 & 1 \
\hline 4 & 17 & 5 & 8 \
\hline 5 & 20 & 7 & 12 \
\hline 6 & 25 & 10 & 9 \
\hline
\end{array}$$
-Referring to Instruction 13.2,suppose an employee had never taken an economics course and managed to score a 5 on his performance rating.What is his estimated expected wage rate?
A) $12.20
B) $25.11
C) $10.90
D) $17.23

Quizplus · Accepted Answer

The correct answer is A because the estimated expected wage rate for an employee with a performance rating of 5 and no economics courses is $12.20. This is calculated by taking the mean of the wage rates for employees with a performance rating of 5, which is $12.20.

Instruction 13 -Referring to Instruction 13