Before revision: Table of error types Tabulated relations between truth/falseness of the null hypothesis and outcomes of the test: + Table of error types Null hypothesis () is True False Decisionabout nullhypothesis () Fail to rejectCorrect inference(true negative) (probability = )Type II error (false negative)(probability = )Reject Type I error (false positive)(probability = )Correct inference (true positive) (probability = ) Error rate upright=2.5|The results obtained from negative sample (left curve) overlap with the results obtained from positive samples (right curve).
After revision: Table of error types Tabulated relations between truth/falseness of the null hypothesis and outcomes of the test: + Table of error types Null hypothesis () is True False Decisionabout nullhypothesis () Not rejectCorrect inference(true negative) (probability = )Type II error (false negative)(probability = )Reject Type I error (false positive)(probability = )Correct inference (true positive) (probability = ) Error rate upright=2.5|The results obtained from negative sample (left curve) overlap with the results obtained from positive samples (right curve).