The accuracy of a sample is often expressed as:
A)the number of centimeters it is from the true population frame
B)the cost of making an inaccurate estimate
C)the number of respondents needed to make the sample 100% accurate
D)a plus-or-minus percentage, such as + or - 5%
E)a mistake

Question

Quizplus · Accepted Answer

The accuracy of a sample is typically expressed as a margin of error, represented as a plus-or-minus percentage. For example, if a survey has a margin of error of + or - 5%, it means that if the same survey were conducted 100 times, the results would fall within 5 percentage points of the true population value about 95 times out of 100.

The Accuracy of a Sample Is Often Expressed As