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 Team 1 2 3 4 5 6 7 8 9 10 11 12 A 24 24 52 30 40 30 18 30 18 40 24 12 B 24 20 52 36 36 24 36 16 52 24 24 16 Estimated Length of Stay (ELOS) for 12 Cognitive Retraining Patients Evaluated by Two Teams Patient Team A Team B 1 24 24 2 24 20 3 52 52 4 30 36 5 40 36 6 30 24 7 18 36 8 30 16 9 18 52 10 40 24 11 24 24 12 12 16 (b) Specify the decision rule at the .10 level of significance. (Round your answers to 3 decimal places. Negative values should be indicated by a minus sign.) (c) Find the test statistic tcalc. (Round your answer to 4 decimal places. A negative value should be indicated by a minus sign.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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.

Patient
Estimated Length of Stay in Weeks
Team	1	2	3	4	5	6	7	8	9	10	11	12
A	24	24	52	30	40	30	18	30	18	40	24	12
B	24	20	52	36	36	24	36	16	52	24	24	16

Estimated Length of Stay (ELOS) for 12 Cognitive Retraining Patients Evaluated by Two Teams

Patient

Team A

Team B

(b) Specify the decision rule at the .10 level of significance. (Round your answers to 3 decimal places. Negative values should be indicated by a minus sign.)

(c) Find the test statistic t_calc. (Round your answer to 4 decimal places. A negative value should be indicated by a minus sign.)

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