A Researcher Wishes to Test Whether the Proportion of College

question 29

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. $$\begin{array} { r | r r r r } & \text { College A } & \text { College B } & \text { College C } & \text { College D } \\\hline \text { Smoke } & 17 & 26 & 11 & 34 \\\text { Don't smoke } & 83 & 74 & 89 & 66\end{array}$$ 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:

Activity Levels

The degree to which an individual engages in physical movement that can range from sedentary to highly active behavior.

Rough-and-Tumble Play

Rough-and-tumble play is a form of play that appears rough, involving chase and play-fighting, but is actually cooperative and helps in children's social development.

Activity Levels

The degree of physical movement or energy expenditure, which can vary significantly among individuals and is considered a trait of temperament.

Motor Vehicle Accidents

Incidents involving road vehicles that result in property damage, injury, or death.