Instruction 13 -Referring to Instruction 13

question 218

Multiple Choice

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?

• A) 21.293
• B) 0.998
• C) 3.103
• D) 4.698

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Definitions:

Attribute Preference Rule

A decision-making heuristic where consumers select products or services based on a subset of relevant features that they prefer.

Elimination-by-aspects

A decision-making model in which choices are systematically rejected based on the absence of specific, desirable attributes.

Lexicographic Rule

A decision rule where choices are compared based on the most important attribute first, then the second most important, and so on, until a decision is made.

Heuristic

A mental shortcut that allows people to solve problems and make judgments quickly and efficiently.