The typical margin of error in a sample survey of 1,500 respondents is ________.
A) 0.1 percent
B) 0.5 percent
C) 2.5 percent
D) 10 percent
E) 15 percent

Question

Quizplus · Accepted Answer

The typical margin of error in a sample survey of 1,500 respondents is around 2.5 percent. This is assuming a 95% confidence level and a random sample. The margin of error can be reduced by increasing the sample size.

The Typical Margin of Error in a Sample Survey of 1,500