what is duality theorem what is the definition of duality theorem what is the duality theorem which region has the least validity what is the role of the confidence intervals when they test for duality what is the difference between acceptance and confidence which region is accepted in a t test what is duality in statistical terms what is the duality theorem used to describe acceptance region of testing for statistical inference what is duality between acceptance region and confidence region what is the duality theorem what is a duality the duality theorem is the acceptance region of testing what is the duality theory what is the duality theorem what is the duality theory what is the difference between acceptance region of test and confidence region when to use duality theorem definition of duality what is the theorem of duality