Exhibit 12-9
a Regression and Correlation Analysis Resulted in the Following

question 78

Multiple Choice

Exhibit 12-9
A regression and correlation analysis resulted in the following information regarding a dependent variable y) and an independent variable x) .
$\begin{array}{ll}\Sigma \mathrm{X}=90 & \Sigma \mathrm{Y}-{\bar{\mathrm{Y}}) X}-\bar{X}) =466 \\\Sigma \mathrm{Y}=170 & \Sigma \mathrm{Y}-\overline{\mathrm{Y}}) ^{2}=1434 \\\mathrm{n}=10\\\mathrm{SSE}=505.98 & \Sigma \mathrm{X}-\bar{X}) ^{2}=234 \end{array}$

-Refer to Exhibit 12-9. The sum of squares due to regression SSR) is

• A) 1434
• B) 505.98
• C) 50.598
• D) 928.02

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Definitions:

DA Equations

Short for Drug Amount equations, these are mathematical formulas used to calculate the precise amount of a medication required for a patient, based on various clinical factors.

Gravity Device

A tool or apparatus designed to utilize the force of gravity for various purposes, often medical or scientific.

DF10 Administration Set

A medical device used for the administration of fluids and medications via infusion, designed with a specific flow rate.

LRS

Lactated Ringer's Solution, an isotonic fluid commonly used for intravenous hydration and electrolyte balancing.