Exhibit 13-6
Below You Are Given a Partial Computer Output

question 12

Multiple Choice

Exhibit 13-6
Below you are given a partial computer output based on a sample of 16 observations.
$\begin{array}{lcc} & \text { Coefficient } & \text { Standard Error } \\\text { Intercept } & 12.924&4.425\\\mathrm{X}_{1} & -3.682&2.63. \\\mathrm{X}_{2} &45.216&12.560\\\end{array}$
$\text { Analysis of Variance }$

$\begin{array}{lccc}\text { Source of } & \text { Degrees } &\text { Sum of } &\text { Mean }\\\text { Variation } & \text { of Freedom }&\text { Squares } & \text { Square }&F\\\text { Regression }&&4,853&2,426.5\\\text {Error }&&&485.3\end{array}$
-Refer to Exhibit 13-6. The interpretation of the coefficient of X1 is that

• A) a one unit change in X1 will lead to a 3.682 unit decrease in Y
• B) a one unit increase in X1 will lead to a 3.682 unit decrease in Y when all other variables are held constant
• C) a one unit increase in X1 will lead to a 3.682 unit decrease in X2 when all other variables are held constant
• D) It is impossible to interpret the coefficient.

---

Definitions:

Incapacitating

Making someone or something unable to function in normal activities.

Mood Contagion

The phenomenon where the emotional state of one person influences or is transferred to others around them, often unconsciously.

Cheerful

Exhibiting positivity and a disposition that is bright and pleasant, often encouraging happiness in others.

Directed

Being guided or managed towards a specific aim or objective, often involving leadership or instruction to achieve precise outcomes.