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Question 4 (3 points) A study was carried out to determine if Reiki touch therapy was useful in the reduction of average pain levels in chronic pain sufferers. The pain level reported by a random sample of 8 patients before and after the therapy session is shown below. Test whether there has been a reduction in pain after the therapy using a significance level or = 0.05. Patient 1 2 4 5 6 7 8 Before 6 2 2 3 4 2 5 After 3 1 0 0 2 2 H Calculate your p-value. O0.432 0.0268 0.002 0.125