A School District Administrator Sent a Survey to All Teachers

Multiple Choice

A school district administrator sent a survey to all teachers in the district. Only 30% of the teachers
Responded to the survey. Which of the following is true?
I. The people that did not responded are likely to be similar to those that did so he should use them
As the sample.
II. This survey design suffered from non-response bias.
III. Because he sent the survey to everyone, this is a census and the results can be applied to the
Whole population.

A) II and III only
B) I only
C) II only
D) I, II, and III
E) I and II only