A Psychologist Wants to Determine If There Is a Linear

question 42

Essay

A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of mistakes he/she makes on a simple test. The following data is recorded. Determine the equation of the regression line and graph the line on a scatter plot .
$\begin{array}{ll}\text { Hours without Sleep, } x & \text { Number of Mistakes, } \\32 & 6 \\38 & 8 \\48 & 13 \\24 & 5 \\46 & 7 \\35 & 6 \\30 & 5 \\34 & 8 \\42 & 12\end{array}$

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Definitions:

Comparative Advantage

An entity's capability to offer a product or service at a reduced opportunity cost than competitors.

Vintner

is a person engaged in winemaking, especially one who is responsible for the production of wine at a vineyard or winery.

Opportunity Cost

The expense incurred by not selecting the second-best choice during a decision-making process or when evaluating different alternatives.

Full Employment

A situation in an economy where all available labor resources are being used in the most efficient way possible.