Exhibit 13-11
Below You Are Given a Partial Computer Output

question 47

Multiple Choice

Exhibit 13-11
Below you are given a partial computer output based on a sample of 25 observations.
$\begin{array}{lcc}&\text { Coefficient }&\text { Standard Error }\\\text { Constant } & 145 & 29 \\\mathrm{X}_{1} & 20 & 5 \\\mathrm{X}_{2} & -18 & 6 \\\mathrm{X}_{3} & 4 & 4\end{array}$
-Refer to Exhibit 13-11. The estimated regression equation is

• A) Y = ?? + ??X1 + ?2X2 + ?3X3 + ?
• B) EY) = ?? + ??X1 + ?2X2 + ?3X3
• C) =29+5X1+6X2+4X3
• D) =145+20X1 - 18X2+4X3

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Definitions:

Nonferrous Electrical Wire

A type of wire made from metals other than iron and steel, commonly used in electrical wiring due to its superior conductivity and resistance to corrosion.

MEGGER

A registered name by Biddle Industries. A high-voltage tester used for testing conductor insulation.

Metallic Conduit

Metallic conduit is a metal pipe or tubing designed to protect electrical wiring and cables, providing a secure pathway and shielding them from damage.

MEGGER

A brand and a generic term for an instrument used to measure insulation resistance in electrical wiring and components.