A 95% Distribution-Free Confidence Interval for a Parameter $\theta$ Can Be Obtained from a Level __________ Test For

Short Answer

A 95% distribution-free confidence interval for a parameter $\theta$ can be obtained from a level __________ test for $H _ { 0 } : \theta = \theta _ { 0 } \text { versus } H _ {a } : \theta \neq \theta _ { 0 }$