A Psychologist Wants to Determine If There Is a Linear

question 35

Essay

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

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Definitions:

Civilian Occupations

Jobs or roles performed by individuals who are not active members of the military or engaged in police or emergency services.

Differential Aptitude Test (DAT)

A standardized test designed to assess specific talents or aptitudes in a range of areas.

Composite Scores

Aggregated scores derived from combining individual scores from multiple assessments or tests to provide a summary score.