Chapter 7: Q. 29 (page 457)
Increasing the sample size of an opinion poll will reduce the
a. bias of the estimates made from the data collected in the poll.
b. variability of the estimates made from the data collected in the poll.
c. effect of nonresponse on the poll.
d. variability of opinions in the sample.
e. variability of opinions in the population.
Short Answer
The correct answer is (b) variability of the estimates made from the data collected in the poll.