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

Understand the physiological mechanisms involved in arousal and sleep.

Identify the effects of stress on the body and its mechanisms.

Describe the role of neurotransmitters in promoting arousal and sleep.

Understand the theories and functions of dreams.

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