Instruction: Read and answer the problems explicitly using all four steps of hypothesis testing.

The format for the answer:

Research 2 Step 1: State the hypothesis (Null and Alternative) Ho: The training program has no effect on reducing the stress level of childless men who marry women with adolescent children Ha: The training program reduces the stress level of childless men who married women with adolescent children. Step 2: Set the criteria for a decision. Provide the significance level, and illustrate your answer with a sketch showing the cutoff (or cutoffs) z scores This is a 1 tailed test. a = 0.05 , Zcritical_value = -1.64 Criteria: At a significance level of 0.05, reject the null hypothesis if test statistic z