Question

A teacher wants to know if students understand a homework assignment. Which of the following sampling methods would give the most unbiased sample?(1 point)
Responses

selecting assignments of students whose names start with a vowel
selecting assignments of students whose names start with a vowel

selecting assignments of the top students
selecting assignments of the top students

selecting assignments from a pile of collected homework at random
selecting assignments from a pile of collected homework at random

selecting the top five assignments from a pile of collected homework

Answer 1

selecting assignments from a pile of collected homework at random