It Has Been Shown That Significant Differences Between the Standard

Multiple Choice

It has been shown that significant differences between the standard deviations of subclasses of subjects, even when the means are identical, can lead to deviations in diagnostic sensitivity and diagnostic specificity for disease detection.Thus in these situations, there may be the need for separate reference intervals.What statistical test should be selected to determine the need for different reference intervals in this situation?

A) t-test
B) F-test
C) z-test
D) Dixon's Q