A 95% confidence interval is:
A)The range of values of the statistic which we can be 5% confident contains a significant effect in the population.
B)The range of values of the statistic which probably contains the true value of the statistic in the population.
C)The range of values of the statistic that we can be 95% confident contains a significant effect in the population.
D)The range of values of the statistic which we can by 95% certain does not contain the true population effect.

Question

Quizplus · Accepted Answer

A 95% confidence interval provides a range of values for a population parameter (such as mean or proportion) which is likely to include the true population parameter with a 95% degree of confidence. It does not necessarily imply the presence of a significant effect or rule out the possibility of the parameter being outside of the interval.

A 95% Confidence Interval Is