Exhibit 13-5
Below You Are Given a Partial Minitab Output

question 26

Multiple Choice

Exhibit 13-5
Below you are given a partial Minitab output based on a sample of 25 observations.
$\begin{array}{lcc}&\text { Coefficient }&\text { Standard Error }\\\text { Constant } & 145.321 & 48.682 \\\mathrm{X}_{1} & 25.625 & 9.150 \\\mathrm{X}_{2} & -5.720 & 3.575 \\\mathrm{X}_{3} & 0.823 & 0.183\end{array}$
-Refer to Exhibit 13-5. The interpretation of the coefficient on X1 is that

• A) a one unit change in X1 will lead to a 25.625 unit change in Y
• B) a one unit change in X1 will lead to a 25.625 unit increase in Y when all other variables are held constant
• C) a one unit change in X1 will lead to a 25.625 unit increase in X2 when all other variables are held constant
• D) It is impossible to interpret the coefficient.

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