Professor Chen is trying to estimate the true parameter from the sample she is using, in order to make inferences to the population .She wants to be 95% confident of her estimate .Professor Chen is calculating a:
A)Confidence interval
B)Symmetrical computation
C)Confidence statement
D)Functional inquiry

Question

Quizplus · Accepted Answer

A confidence interval is a range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter. Since Professor Chen wants to be 95% confident in her estimate, she is indeed calculating a confidence interval.

Professor Chen Is Trying to Estimate the True Parameter from the Sample