For a statistics project, Tai distributed a questionnaire and asked his classmates to fill it
out. Only 3 of them did.
Which statement is correct about the sample taken?
Since the students who chose to fill out the questionnaire might not be similar
to the students who did not choose to fill it out, it is likely to be an unbiased
sample.
The sample likely represents the class as a whole.
Since the students who chose to fill out the questionnaire might not be similar
to the students who did not choose to fill it out, it is likely to be a biased
sample
The students who filled out the survey are most likely similar to those who did
not, therefore the sample is unbiased.