When performing a test to see whether an estimator A for two populations is the same, is it more natural to use the difference
A1 – A2 = 0
or the ratio
A1 / A2 = 1
(or other)?
Is there a universal preference or is it situational?
When performing a test to see whether an estimator A for two populations is the same, is it more natural to use the difference
A1 – A2 = 0
or the ratio
A1 / A2 = 1
(or other)?
Is there a universal preference or is it situational?