Instruction 3-9
Given Below Are the Rating and Performance Scores

question 123

Short Answer

Instruction 3-9
Given below are the rating and performance scores of 15 laptop computers.
$\begin{array}{|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|}\hline\text { Performance } & 115 & 191 & 153 & 194 & 236 & 184 & 184 & 216 & 185 & 183 & 189 & 202 & 192 & 141 \\\hline \text { Overall } & 74 & 78 & 79 & 80 & 84 & 76 & 77 & 92 & 83 & 78 & 77 & 78 & 78 & 73 \\\text { Rating }&\\\hline\end{array}$
-Referring to Instruction 3-9,what is the sample covariance between the performance scores and the rating?

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Definitions:

Fear Circuit

A neural pathway in the brain that is responsible for detecting and responding to threats, critical in the process of experiencing and expressing fear.

Parasympathetic Nervous System

The parasympathetic nervous system is one of the two divisions of the autonomic nervous system, responsible for conserving energy and promoting a state of calm and rest in the body.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that helps regulate nervous system activity and is involved in reducing excitability and promoting calmness.

Social Skills Training

A type of psychological therapy that teaches individuals the skills needed to communicate and interact effectively with others.