Paired Sample Sign
A Paired comparison is a simple experimental design which can be used to reduce experimental error when two treatments are being compared.
Ho, Pop mean/median difference = 0
H1, i.e. < 0
Minus one from the other
Discard the same number i.e.
a = 1,3,2,5
b = 6,7,2,8 You Discard 2 as it has been repeated
Remember the sign test requires a + or…