When TV advertisements report that "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because:
A) The results were incorrectly computed.
B) Dentists were not really surveyed.
C) The conclusion does not include the total number of dentists surveyed.
D) The conclusion is not illustrated with a graph.

Question

Quizplus · Accepted Answer

The conclusion does not include the total number of dentists surveyed, which makes it difficult to determine the significance of the statement. Knowing the total number of dentists surveyed would provide better context for interpreting the conclusion.

When TV Advertisements Report That "2 Out of 3 Dentists