A research group is interested in the race of residents in state X. State X has 4 counties, each with approximately the same number residents. The research group randomly selects 50 residents from each county and makes a frequency chart from the results.
a. What is the population of interest? Race of residents in State X
b. What is the variable of interest? The race of residents in 4 counties
c. Is the variable of interest qualitative or quantitative? Qualitative Variables
d. What measurement scale is used for the variable of interest? Nominal
e. How large is the sample? 200 residents
f. What sampling protocol was used? Stratified random sample