Which of the settings does not allow use of a matched pairs t procedure? You interview a sample of 15 instructors and another 15 students and ask each how many hours per week homework assignments require. You interview 40 students in the introductory statistics course at the beginning of the semester and ask how many hours per week homework assignments require. You interview both the instructor and one of the students in each of 20 introductory statistics classes and ask each how many hours per week homework assignments require. None of the other options are correct.