Jay calculates the 95% confidence interval for the difference between means.He finds the interval ranges from 1.85 to 4.08.What might Jay conclude from this finding?
A) 95% of the means have values of 1.85 and 4.08.
B) He is a 95% certain that the interval 1.85 to 4.08 contains the difference between means.
C) The results will not be significant 95% of the time.
D) 95% of the population will be confident in his results.

Question

Quizplus · Accepted Answer

Jay can conclude that he is 95% certain that the true difference between the means lies between 1.85 and 4.08. This means that if he repeated his study many times, he would expect 95% of the resulting confidence intervals to contain the true difference between the means.

Jay Calculates the 95% Confidence Interval for the Difference Between