Which of the following components is not needed for calculating the lower and upper limits of a confidence interval?
A) an obtained statistic
B) a population parameter
C) a t-value
D) the estimated standard error

Question

Quizplus · Accepted Answer

To calculate the lower and upper limits of a confidence interval, we need an obtained statistic, a t-value, and the estimated standard error. The population parameter is not needed, as we are using the sample statistic to estimate it with a certain level of confidence.

Which of the Following Components Is Not Needed for Calculating