When the method for selecting subjects produces a sample that does not represent the population of interest, the problem is called
a. lack of accuracy.
b. selection bias.
c. nonresponse bias.
d. response bias.
Question 2
A survey based on a random sample of 1000 students found that 1 of these students, when asked by the professor doing the survey, admitted to having cheated on at least one exam. The results of this study, if applied to all students in the university, are questionable because of
a. lack of accuracy.
b. selection bias.
c. nonresponse bias.
d. response bias.