The phrase "95% confidence" in a confidence statement means that
A) the results are true for 95% of the population.
B) 95% of the population falls within the announced margin of error.
C) the probability is 0.95 that a randomly chosen individual's value falls within the announced margin of error.
D) the results were obtained using a method that gives correct answers in 95% of all samples.

Question

Quizplus · Accepted Answer

The phrase "95% confidence" in a confidence statement means that the method used to obtain the results will produce intervals that capture the true parameter 95% of the time in repeated sampling. It does not refer to the proportion of the population within a certain range or the probability of a single individual's value falling within the margin of error.

The Phrase "95% Confidence" in a Confidence Statement Means That