Instruction 13.1
A manager of a product sales group believes the number of sales made by an employee (Y) depends on how many years that employee has been with the company (X₁) and how he/she scored on a business aptitude test (X₂) . A random sample of 8 employees provides the following:
$\begin{array} { | l | l | l | l | } \hline \text { Employee } & Y & X 1 & X 2 \\\hline 1 & 100 & 10 & 7 \\\hline 2 & 90 & 3 & 10 \\\hline 3 & 80 & 8 & 9 \\\hline 4 & 70 & 5 & 4 \\\hline 5 & 60 & 5 & 8 \\\hline 6 & 50 & 7 & 5 \\\hline 7 & 40 & 1 & 4 \\\hline 8 & 30 & 1 & 1 \\\hline\end{array}$
-Referring to Instruction 13.1,for these data,what is the estimated coefficient for the variable representing scores on the aptitude test,b₂?

Question

Instruction 13.1
A manager of a product sales group believes the number of sales made by an employee (Y) depends on how many years that employee has been with the company (X₁) and how he/she scored on a business aptitude test (X₂) . A random sample of 8 employees provides the following:

\begin{array} { | l | l | l | l | } \hline \text { Employee } & Y & X 1 & X 2 \\\hline 1 & 100 & 10 & 7 \\\hline 2 & 90 & 3 & 10 \\\hline 3 & 80 & 8 & 9 \\\hline 4 & 70 & 5 & 4 \\\hline 5 & 60 & 5 & 8 \\\hline 6 & 50 & 7 & 5 \\\hline 7 & 40 & 1 & 4 \\\hline 8 & 30 & 1 & 1 \\\hline\end{array}

-Referring to Instruction 13.1,for these data,what is the estimated coefficient for the variable representing scores on the aptitude test,b₂?

Quizplus · Accepted Answer

The Answer of Instruction 13.1 A manager of a product sales group believes the number of sales made by an employee (Y) depends on how many years that employee has been with the company (X 1 ) and how he/she scored on a business aptitude test (X 2 ). A random sample of 8 employees provides the following: $$\begin{array} { | l | l | l | l | } \hline \text { Employee } & Y & X 1 & X 2 \ \hline 1 & 100 & 10 & 7 \ \hline 2 & 90 & 3 & 10 \ \hline 3 & 80 & 8 & 9 \ \hline 4 & 70 & 5 & 4 \ \hline 5 & 60 & 5 & 8 \ \hline 6 & 50 & 7 & 5 \ \hline 7 & 40 & 1 & 4 \ \hline 8 & 30 & 1 & 1 \ \hline \end{array}$$ -Referring to Instruction 13.1,for these data,what is the estimated coefficient for the variable representing scores on the aptitude test,b₂? A) 21.293 B) 0.998 C) 3.103 D) 4.698

Instruction 13 -Referring to Instruction 13