Nonresponse error represents
a. a measure of the difference between the size of the population and the size of the sample.
b. the number of sampling units not contacted on the first attempt.
c. a random distribution of unanswered questions.
d. a failure to obtain information from sampling units.
e. a uniform distribution of uncontacted respondents.
Question 2
There is little opportunity to develop new and engaging online advertising formats.
a. True
b. False
Indicate whether the statement is true or false