Which of the following eliminates the counting of names in a list and subjectively determining whether a telephone directory listing is a business, institution, or legitimate household?
a. mixed-mode survey
b. predictive calling
c. computer-assisted telephone interviewing (CATI)
d. random digit dialing
Question 2
Which test is appropriate for comparing the scores of two interval variables drawn from related populations?
a. ANOVA
b. relative t-test
c. relative 2 test
d. pair-samples t-test
