Instruction 13 -Referring to Instruction 13

question 148

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 value for the regression constant,b₀?

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

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Definitions:

Heart Rate

The number of heartbeats per unit of time, typically measured in beats per minute (BPM), indicating cardiovascular health and physical condition.

Preterm

Preterm refers to babies born before 37 weeks of gestation, who often face increased risks of health issues and developmental delays compared to full-term infants.

Conception

The process of fertilization where a sperm cell unites with an egg cell, marking the beginning of pregnancy.

Grams

A unit of mass in the metric system equal to one-thousandth of a kilogram.