A teacher would like to estimate the percentage of her students who play chess.

Question

Which method should the teacher use to select the sample?

Responses

use a computer to randomly select 30 student IDs from all students
use a computer to randomly select 30 student IDs from all students

select all students who are currently in the chess club
select all students who are currently in the chess club

select every other student in her classes until she has selected a total of 30 students
select every other student in her classes until she has selected a total of 30 students

use a computer to randomly select 30 student IDs from all her students

Answer 1

The best method for the teacher to use to select the sample is:

use a computer to randomly select 30 student IDs from all students.

This method ensures that every student has an equal chance of being selected, which minimizes biases and helps to create a more representative sample of the entire student population. The other options, such as selecting only chess club members or every other student, could introduce bias and may not accurately reflect the views of all students regarding chess play.