A teacher has 36 students who are sitting in 6 rows of 6 desks. He wants to survey the students about the homework policy. Which of the following uses cluster sampling? O Randomly assign the students to desks, and number the students 01-36. Use a random number table to generate a sample of students. Randomly assign the students to desks. Number the rows 1 to 6. Use a random number table to select a number from 1 to 6, then survey every student in that row. O List all of the students alphabetically. Survey the 2nd person (with the number 2 being randomly chosen), then survey every 5th student after that. List all of the students alphabetically. Survey 1 randomly chosen student whose last name begins with A, then continue the process through the alphabet.

For a school project, 3 students need to produce a sample of students at their school.  Which of the following methods leads to a random sample? a Asking each of their friends to a a name 3 friends. b Writing all the names of students they know on a list and picking. c Numbering all the students at the school and produce a sample from a random list of numbers. d Calling for volunteers on social media.

Please answer the question on the photo.

Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.