Chapter 10, Problem 10.5P

$\boxed{PA}$ Is there a relationship between salary levels and unionization for public employees? The following data represent this relationship for fire departments in a random sample of 100 cities of roughly the same size. Salary data have been dichotomized at the median. Explain your results in a sentence or two, citing both the results of the chi square test and the patterns of the column percentages.

Salary	Status
	Union	Non-Union	Totals
High	21	29	50
Low Totals	$\frac{14}{35}$	$\frac{36}{65}$	$\frac{50}{100}$