Which is an example of a stratified random sample?
1.Dividing on-campus students according to the dormitory in which they live, then randomly selecting 10 students from each dormitory
2.Dividing the students according to their status as a traditional or nontraditional student, then randomly selecting 1 out of every 200 students in the strata
3.Dividing the students according to their major, then randomly selecting 5 of the majors and including those students in the sample
4.Dividing the students by off-campus or on-campus students, then randomly selecting 10 of each group to include in the sample
Question 2
Which is an example of systematic random sampling?
1.Distributing 20 surveys to a group of friends
2.Selecting and contacting every seventh student from the list of current students
3.Handing out surveys to all currently enrolled students and asking that they return the completed surveys to the library
4.Using a random number generator to select 20 student identification numbers and having those 20 students complete a survey
Cells dividing
Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2
Students working in a group
A Scatterplot of the Test Scores and Average Grades of 10 Students
Sample prescriptions of antibiotics for dental infections.
Students pointing at a computer screen