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.)
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.)
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