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A cognitive retraining clinic assists outpatient victims of head injury, anoxia, or other conditions that result in cognitive impairment. Each incoming patient is evaluated to establish an appropriate treatment program and estimated length of stay To see if the evaluation teams are consistent, 12 randomly chosen patients are separately evaluated by two expert teams (A and B) as shown Estimated Length of Stay in Weeks Patient Team1 20 42 2 35 48 3 34 28 4 23 47 5 47 51 35 17 9 10 11 12 39 39 35 13 43 48 38 17 30 13 26 lic e for the Excel Data Fil (a) Choose the appropriate hypotheses. Assume μd is the difference in mean lengths of team A and team B (b) Specify the decision rule at the .10 level of significance.(Round your answers to 3 decimal places. A negative values should be indicated by a minus sign.) Reject the null hypothesis if the p-value is less than (c) Find the test statistic talc. (Round your answer to 3 decimal places. A negative value should be indicated by a 0.10 or if tcalc < or tcalc minus sign.) calc (d) Find the p-value. (Round your answer to 3 decimal places. A negative value should be indicated by a minus sign.) p-value (e) Make a decision We Do not reject the null hypothesis (f) State your conclusion. We can O conclude that the evaluator teams are consistent in their estimates

Estimated Length of Stay (ELOS) for 12 Cognitive Retraining Patients Evaluated by Two Teams Patient Team A Team B 20 35 34 23 47 35 30 13 39 39 35 42 48 28 47 51 17 2 4 7 26 43 48 38 17 12

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