Post on 25-Jun-2015
description
0H
HA
Conditions
1. Randomization
2. Independence: Plausible Independence? 10% Condition -
3. np, nq ≥ 10
p +1σ +2σ +3σ-1σ-2σ-3σ
z = P( z ) =
< > ≠
High p-valueHigh likelihood of happening through natural sampling variation
Low p-value Low likelihood of happening through natural sampling variation
Fail to Reject the Null Hypothesis
Reject the Null Hypothesis