A sample that divides a population into random segments and then surveys every member in one or more (but not every) random segments is called a:
A sample that divides a population into specific segments and then takes a random sample from each segment is called a:
There are 12 boys and 13 girls in Mrs. Boyd's prob stats class. Mrs. Boyd randomly samples 5 girls and 7 boys. This type of sampling is called?
Ways of generating random samples include: (check all that apply)
Ms. Page, a dance teacher, wants to know if students would go to an after-school dance. According to simple random sampling principles, which of these is the best method to survey students about the dance?