During the BP Gulf oil crisis in the summer of 2010, a local television news program routinely asked viewers to call in with their opinion about proposed solutions to the
Problem.These results were likely biased because
A)of a bad sampling frame.
B)of an undefined target population.
C)leading questions.
D)of a voluntary response sample.
E)of measurement error.

Question

Quizplus · Accepted Answer

The Answer is D

During the BP Gulf Oil Crisis in the Summer of 2010