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 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
selecting the top five assignments from a pile of collected homework

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

1 answer

The most unbiased sampling method from the options provided would be:

selecting assignments from a pile of collected homework at random

This method gives each assignment an equal chance of being selected, which reduces the potential for bias that may result from the other options, such as only choosing top students or students with names starting with a vowel.