A Researcher Wishes to Test Whether the Proportion of College

question 22

Essay

A researcher wishes to test whether the proportion of college students who smoke is the same
in four different colleges. She randomly selects 100 students from each college and records
the number that smoke. The results are shown below. $$\begin{array} { r | c c c c } & \text { College A } & \text { College B } & \text { College } \text { C } & \text { College D } \\\hline \text { Smoke } & 17 & 26 & 11 & 34 \\\text { Don't Smoke } & 83 & 74 & 89 & 66\end{array}$$ Use a 0.01 significance level to test the claim that the proportion of students smoking is the
same at all four colleges.

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Definitions:

Psychodynamic Theories

Theories proposing that behavior is the result of internal psychological forces that often stem from childhood experiences.

Dynamic Interaction

The continuous and changing interplay between individuals or elements in a system or process.

Mental Processes

The internal, subjective mechanisms and activities through which individuals perceive, remember, think, and feel.

Psychodynamic Theories

A group of theories in psychology that primarily focus on unconscious processes and childhood experiences affecting personality and behavior.