Question:

A 95% confidence interval estimate for the difference

Last updated: 8/11/2022

A 95% confidence interval estimate for the difference

A 95% confidence interval estimate for the difference between two population means, 12000, is determined to be (62.75, 68.52.) If the confidence level is reduced to 90%, the confidence interval (A) insufficient information (B) becomes narrower (C) becomes wider (D) remains the same