A teacher is surveying her classes to see how they feel about an activity the class did the day before. Since she has such large classes, she surveys every 5th student that walks into class. What type of sampling method is used? 5th Person Sampling Systematic Sampling Convenience Sampling Simple Random Sampling

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list