MATH302 UPDATED Test Questions and CORRECT Answers

What is the sampling method used in the following scenario? A teacher wants to know if her students are doing homework, so she randomly selects rows two and five and then calls on all students in row two and all students in row five to present the solutions to homework problems to the class. cluster The first 50 people who walk into a sporting event are polled on their television preferences. What type of sampling was used? convenience A market researcher polled every tenth person who walks into a store. What type of sampling was used? systematic What is the sampling method used in the following scenario? The librarian at a public library wants to determine what proportion of the library users are children. The librarian has a tally sheet on which she marks whether books are checked out by an adult or a child. She records this data for every fourth patron who checks out books. systematic