The correct formula for the upper bound of a confidence interval for a single-sample t test is: A) t(s_M) + M_sample. B) -t(s_M) - M_sample. C) t(s_M) - M_sample. D) -t(s_M) +M_sample.

Question

Quizplus · Accepted Answer

The correct formula for the upper bound of a confidence interval involves adding the product of the t-value and the standard error of the mean to the sample mean. This is represented in option A, where "t" stands for the t-value from the t-distribution corresponding to the desired confidence level, and "M_sample" represents the sample mean.

The Correct Formula for the Upper Bound of a Confidence