G theorem.nebraska.edu c. response use d. undercoverage Use this information to answer questions 4-7. A statistics teacher wants to know how her students feel about an introductory statistics course. She decides to administer a survey to a random sample of students taking the course. She has several sampling plans to choose from. Name the sampling strategy in each. 4. There are four grade levels of students taking the blass: freshmen, sophomores, juniors, and seniors. Randomly select 15 students from each grade level. a. cluster sampling b. simple random sampling c. systematic sampling d. stratied sampling 5. Randomly select a grade level (freshmen. sophomores, juniors. and seniors) and survey every student in that grade level. a. cluster sampling b. simple random sampling c. systematic sampling d. stratied sampling 6. Each student has a nine-digit student number. Randomly choose 60 numbers} a. cluster sampling b. simple random sampling c. systematic sampling d. stratied sampling 7. Using the class roster, select every fth student from the list. a. cluster sampling b. simple random sampling c. systematic sampling d. stratied sampling I W . - MTHH 041 Unit 3 Evaluation 238