P-values for the sign test for matched pairs are calculated using which distribution? (Note: n is the number of trials where the difference is not zero. )

A) t(n)
B) N(0,1)
C) B(n,1/2)
D) None of the above

P-values

An indication of the strength of the evidence against the null hypothesis, represented as a probability that measures the likelihood of the observed outcomes under the assumption that the null hypothesis is valid.

Matched Pairs

A study design where subjects are paired based on certain characteristics, and one from each pair is assigned to the treatment group and the other to the control.

Distribution

The way in which something is shared out among a group or spread over an area.