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 taken of a selection of the population that is easy to get to is called a:
A sample that divides a population into specific segments and then takes a random sample from each segment is called a:
A sample that uses every 'nth' member of the population, for instance, surveying every 5th person who walks into the door of your school, is called a:
Ways of generating random samples include: (check all that apply)
A student asks 18 friends to participate in a psychology experiment. This type of sampling is called?
Twenty-five students are randomly selected from each grade level and surveyed about their study habits. This type of sampling is called?
A pregnancy study in Virginia, randomly selected 15 counties, then interviewed all available pregnant women in those counties. This type of sampling is called?
Calling randomly generated telephone numbers, a study asked 1001 US adults which cell phone provider they use. This type of sampling is called?
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?
At UVA, reseachers who want to measure the college's effectiveness in achieving student learning outcomes decide to randomly select 10 classes and question all students in those 10 classes. This is an example of a:
At UVA, ten random students from every degree/certificate program on campus are questioned to measure the college's effectiveness in achieving student learning outcomes. This is an example of a:
A lobbyist for a major airspace firm assigns a number to each legislator and then uses a computer to randomly generate ten numbers. The lobbyist contacts the legislators corresponding to these numbers. This is an example of a:
A statistician separates the United States into people who live in urban areas and people who live in rural areas and randomly chooses 500 people from each area to ask about their experience with prescription drugs.
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?