Sam wants to predict who will be selected as the seventh-grade student council representative. Which of the following groups should Sam survey to make his prediction?
One hundred random students from the seventh grade
One hundred random students from the entire school.
The first 100 students from an alphabetical list of seventh graders.
The first 100 students from an alphabetical list of the entire school.

Question

Sam wants to predict who will be selected as the seventh-grade student council representative. Which of the following groups should Sam survey to make his prediction?
 One hundred random students from the seventh grade 
One hundred random students from the entire school.
 The first 100 students from an alphabetical list of seventh graders.
The first 100 students from an alphabetical list of the entire school.

kobeni-chan · Answer

You'll want to conduct a random survey, and in this case I think you shouldn't limit it to just seventh graders. On a whim I would pick the second one, though if the 7th grade student council rep. decision is only up to the seventh graders, then I would pick the first one.