APFIVE Matching Research Questions to T-Test Procedures
A researcher wants to determine if the mean recovery time differs between two treatments for an illness. Which combination of research question and inference procedure is INCORRECTLY matched?
A
“Is the mean recovery time for treatment A less than for B?” — Paired t-test
B
“Is the mean recovery time less than 5 days?” — One-sample t-test
C
“Is the mean difference in recovery times different from 0?” — Paired t-test
D
“Do the treatments have different mean recovery times?” — Two-sample t-test
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