Total number of schools = 100
Total number of schools in the sample = 25
So, number of schools selected from the stratum with a percent-free-lunch value of
=
i.e. 3 schools
One characteristic measured about high schools is the percent ree lunch, which is the percentage of...
One characteristic measured about high schools is the percent free lunch, which is the percentage of the student body that is eligible for free and reduced-price lunches. The top 100 schools, grouped according to their percent free lunch, is as follows. Percent free lunch (x) Number of top 100 ranked high schools 46 20 12 10 12 If stratified random sampling with proportional allocation is used to select a sample of 25 high schools, how many would be selected...
Question Help * t free lunch, which If stratifled random sampling with proportional allocation is used to select a One is the percentage of the student body that is eligible for free and lunches. The top 100 schools, grouped according to their percent free lunch, is as follows. sample of 25 high schools, how many would be selected from the stratum with a percent-free-lunch v alue of 40 sx? Round up to the nearest integer.) Percent free Number of top...