An Early Evening Television Program That Discussed the Use of "Carbon

Multiple Choice

An early evening television program that discussed the use of "carbon offsets" to reduce the impact on global warming asked its viewers to phone in or e-mail a vote for or against this approach. The next day
The television station reported the vote was 70% in favour of this approach. This type of sampling is
Called:

A) voluntary response sampling
B) simple random sampling
C) probability sampling
D) stratified random sampling