A 95% confidence interval for the difference between two population means is found to be (?0.08, 0.15). Which of the following statements is true?
A. We can be 95% confident that the true difference between the population means falls between ?0.08 and 0.15.
B. The probability is 0.95 that a significant difference between the population means lies between ?0.08 and 0.15.
C. The probability is 0.05 that the true difference between the population means is between ?0.08 and 0.15
D. The two populations cannot have the same means.
Answer: A
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