Instruction 13 -Referring to Instruction 13

question 40

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,if an employee who had been with the company for five years scored a 9 on the aptitude test,what would his estimated expected sales be?

• A) 60.88
• B) 17.98
• C) 55.62
• D) 79.09

---

Definitions:

\(a _ { 5 }\)

The fifth term in a sequence, often defined by a formula or recurrence relation.

\(a _ { 6 }\)

Represents the sixth term in a sequence or series, typically found using a formula for the nth term.

\(34\)

An integer and natural number following 33 and preceding 35.

\(k ^ { 3 }\)

Represents the cube of a variable \(k\), equivalent to multiplying \(k\) by itself twice (\(k*k*k\)).