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.

Jonathan purchases a comic book over the phone. the store does not promise a particular time in which the comic book will be shipped to jonathan. after 40 days, the comic book has not been shipped. do state or federal laws protect jonathan's rights in this case? what is the name of the law? select the best answer from the choices provided. a. federal law; the implied warranty of merchantability b. state law; the implied warranty of merchantability c. federal law; the mail and telephone order rule d. state law; the mail and telephone order rule