A researcher might conclude from a sample of 200 college students that he can be 95% confident that the true mean number of hours spent studying each week in the total population of college students is between 6 and 9 hours. The range from 6 to 9 hours represents which of the following?
A) confidence interval
B) sampling distribution
C) inferential statistic
D) confidence limits

Question

Quizplus · Accepted Answer

The range from 6 to 9 hours represents a confidence interval, which is an estimate of the range within which the true population parameter (in this case, the mean number of hours spent studying each week) is expected to fall with a certain level of confidence (95% in this scenario).

A Researcher Might Conclude from a Sample of 200 College