SAMPLING METHODS PRACTICE

Interview every 10th student who enters the school in the morning.

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

Political webpages often allow readers to rate (if they want to) whether they strongly agree, agree, disagree, or strongly disagree with the President's decision on any given situation. This is a form of:

Melissa wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

A teacher wants to know how well her students are doing on a topic. She randomly picks one class to survey.

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She picks the student in every 5th seat.

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She selects the five closest to her desk.