COMPLETE QUESTIONS WITH ANSWERS
100% CORRECT
◍ A sample of students will be selected from all the students at a high
school. Which of the following sampling methods is least likely to
produce a representative sample of the students? Answer: From a
randomly chosen home basketball game, choose every tenth student
who enters the gymnasium.
◍ A teacher at a culinary arts school will conduct an experiment to
investigate which of three methods of instruction works best in
teaching students how to make a good pie crust. Each student in a
group of 60 students will be randomly assigned to one of three
methods: in-person demonstration by the instructor, watching a video,
and reading a recipe. The students will be assigned so that each
method will have 20 students. Each pie crust made will be judged on
its taste and texture. What are the treatments of the experiment?
Answer: The three methods of instruction
◍ The manager of a shopping mall distributed a customer-satisfaction
survey by handing it to people as they came through one of the doors
to the mall one day. Of those handed out, 215 were completed and
returned. Should the results of the survey be generalized to the
population of all customers of the shopping mall? Answer: No,
because a random sample from all customers of the shopping mall
was not selected.