Question

An AP Statistics class surveys 24 randomly selected female students from their high school, and calculates a 95% confidence interval for the mean height of female students to be 63.4±1.6 inches. Which of the following is a correct interpretation of this interval?

(A) There is a 95% probability that the true mean height of female students at the school falls between 61.8 and 65.0 inches.
(B) We can be 95% confident that the true mean height of female students at the school is 63.4 inches.
(C) 95% of the time, we can be confident that the mean sample height of female students will fall between 61.8 and 65.0 inches.
(D) We can be 95% confident that the true mean height of female students at the school is between 61.8 and 65.0 inches.
(E) There is a 95% probability that the true mean height of female students at the school is 63.4 inches.

Answer 1

Answer is D. Confidence interval is 61.8 - 65.0.

Step-by-step explanation: