Answer b, c and d:

Return to miestlon 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 ifthe evaluation teams are consistent, 12 randomly chosen patients are separately evaluated by two expert teams (A and 8) as shown. points Estimated Length of Stay in Weeks Patient Team 1 2 3 4 5 6 7 8 9 10 11 12 A 33 22 26 18 24 15 29 39 22 49 15 33 B 2? 33 35 32 35 34 27 52 27 52 2? 38 Click here for the Excel Data File {3) Choose the appropriate hypotheses. Assume pd is the difference in mean lengths of team A and team B. H0:pd:0vs. Hlmdatoo H0:pdsOvs.Hl:pd>0 Homd20vsHde lc) Find the test statistic tcalc. {Round your answer to 4 decimal places. A negative value should be indicated by a minus sign.} tcalc id) Find the pvalue. (Round your answet to 4 decimal places. A negative value should be indicated by a minus sign.) Jovalue lei Make a decision. We Reject 0the nul hypothesis. if) State your conclusion. We cannot a conclude that the evaluator teams are consistent in their estimates