The Test Scores for Selected Samples of Sociology Students Who

question 101

Essay

The test scores for selected samples of sociology students who took the course from three different instructors are shown below. $$\begin{array} { c c c } \text { Instructor A } & \text { Instructor B } & \text { Instructor C } \\83 & 90 & 85 \\60 & 55 & 90 \\80 & 84 & 90 \\85 & 91 & 95 \\71 & 85 & 80\end{array}$$ At α = .05, test to see if there is a significant difference among the averages of the three groups.
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Definitions:

Dependent Variable

In an experiment, it is the variable being tested and measured, and it is expected to change as a result of manipulations to the independent variable(s).

Interpersonal Skills

The abilities used by a person to interact effectively with others, such as communication, empathy, and conflict resolution.

Sleep Deprivation

Sleep deprivation is a condition resulting from not getting enough sleep, which can affect mood, performance, and overall health.

Statistically Significant

A term denoting that the results observed in a study are unlikely to have occurred by chance, indicating a meaningful difference or relationship.