The margin of error for a poll is 4 percent. This means that:
A) 4 percent of those sampled did not answer the question asked.
B) there is a 95 percent confidence that the sample statistic is within 4 percent of the population parameter.
C) 4 percent of those sampled gave the wrong answer to the question asked.
D) 4 percent of the population was in the sample.
E) people's confidence in the statistic is 4 percent.

Question

Quizplus · Accepted Answer

The margin of error indicates the possible variability between the sample statistic and the population parameter. A margin of error of 4 percent implies that there is a 95 percent chance that the sample statistic is within 4 percent of the actual population parameter. Therefore, option B is the correct answer. Options A, C, D, and E are incorrect as they do not reflect the meaning of margin of error.

The Margin of Error for a Poll Is 4 Percent