The upper critical value is surpassed on observation 8.

The test indicates that H1 should be accepted: The population death rate for intubated patients is 50%.

Transcribed Image Text:

Table 25.8 Completion of Table 25.5 Patient no. 32 54 65 68 71 83 85 95 k (observation no.) 1 2 3 4 5 6 7 8 Observation 0 0 1 0 0 1 0 1 outcome Dk 0.5274 0.2782 2.6750 1.4108 0.7441 7.1548 3.7734 36.2828