冷 Hypothesis osA statement about a population developed for purpose of testing 冷 Hypothesis tests ooA Procedure based on sample evidence and probability theory to determine whether the hypothesis is a reasonable statement o Four stages of hypothesis tests ≈ s Stage1: Specifying the hypotheses ≈ s Stage2 Defining the test parameters and the decision rule s Stage 3 EXamining the sample evidence ≈ s Stage4 The conclusions❖ Hypothesis A statement about a population developed for purpose of testing. ❖ Hypothesis tests A Procedure based on sample evidence and probability theory to determine whether the hypothesis is a reasonable statement. ❖ Four stages of hypothesis tests Stage 1: Specifying the hypotheses. Stage 2: Defining the test parameters and the decision rule. Stage 3: Examining the sample evidence. Stage 4: The conclusions