Imply and Infer - Inference Definition and Examples - Wiki

Definition of inference performance

SOLVED: pls help will give thumbs upWhich of the following statements about two-sample inference procedures are true? There may be more than one correct statement;check all that are true.aIf the population variances are known to be equal, then the pooled-variance t procedure is a better choice than the Welch procedureb)The Welch t procedure and pooled-variance t procedure both require equal sample sizes.cThe Welch t procedure and pooled-variance t procedure both assume the sample means are equal