Classical Hypothesis Method 1. Research Question (claim 2. Hypotheses ( Ho and Ha)3. Statement of a-error4. Data and population assumptions5. Acceptance/ rejection regions 6. Convert X to z or r and insert into picture in step 5 7. statistical decision- accept or reject Ho 8. Answer Research Question

0.05 Sign mean equal to 4.00. Do the results apply to the population of all students? 20. Treating Chronic Fatigue Syndrome Patients with chronic fatigue syndrome were tested, and then retested after being treated with fludrocortisone. A standard scale from -7 to +7 is used to measure fatigue before and after the treatment. The changes are summarized with these statistics: n = 21, x = 4.00, s = 2.17 (based on data from "The Relationship Be- tween Neurally Mediated Hypotension and the Chronic Fatigue Syndrome," by Bou-Holaigah, Rowe, Kan, and Calkins, Journal of the American Medical Association, Vol. 274, No. 12). The changes were computed in a way that makes positive values represent improvements. Use a 0.01 significance level to test the claim that the mean change is positive. Does the treatment appear to be effective? 21. Lead in Medicine Listed below are the lead concentrations (in ug /g) measured in dif