Explain whether you should retain or reject the null

Question

• Explain whether you chose to use an independent-samples t test or a matched-samples t test. Provide a rationale for your choice.
• Identify the independent and dependent variables.
• Knowing you believe the treatment will reduce the amount of time to fall asleep, state the null and alternate hypotheses in words (not formulas).
• Explain whether you would use a one-tailed or two-tailed test and why.
• Explain whether you have homogeneity of variance, and explain how you know. Explain why it is important to know if you have homogeneity of variance.
• Identify the obtained t value for this data set using SPSS.
• Identify the degrees of freedom and explain how you determined it.
• Identify the p value.
• Explain whether you should retain or reject the null hypothesis and why.
• Explain what you can conclude about the effectiveness of visualization therapy.