A university administrator was interested in determining students' views on the increase in the cost of parking on campus. The administrator believed student's residence ( in-state or out-of-state) may have an effect on their opinion. Ten percent of the student body at the university has their primary residence out-of-state. The administrator was interested in surveying 200 students at the university and randomly selected 20 out-of-state students and 180 in-state students from their list of all students. The sampling frame is .

Stratified Random Sampling

Step-by-step explanation:

STRATIFIED RANDOM SAMPLING in statistics invoices dividing a population into subgroups known as strata. These strata are based on shared characteristics in a group which in this case is the location of primary residence. This method is used to highlight differences in population as opposed to simple random sampling which gives all members of the population an equal chance of being represented.

answer: 12

step-by-step explanation:

because yes

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3