Li Wei is curious to learn whether students in his high school would be supportive of changing the start time to 9:00 AM. He puts all 600 names in a box and pulls out 100 who will be asked to complete a survey to share their opinion. Which method is Li Wei using to select his subjects?
A. Random Assignment
B. Random Sample
C. Survey
D. Interview
Answer:A
Li Wei is curious to learn whether students in his high school would be supportive of changing the start time to 9:00 AM. He puts all 600 names in a box and pulls out 100 who will be asked to complete a survey to share their opinion. Which method is Li Wei using to select his subjects?
A. Random Assignment B. Random Sample C. Survey D. Interview