Homework SourseSHOW ALL WORK STEP BY STEP FOR EACH SECTION SHOW CALCULATOR
SHOW ALL WORK STEP BY STEP FOR EACH SECTION. SHOW CALCULATOR FUNCTION USED ON YOUR T-83 OR T-84 CALCULATOR AS WELL. PLEASE NOTE WHAT KIND OF FUNCTION YOU USED EX: 2-SAMPLE T TEST/Z TEST/ PROP TEST ETC...
Problem 1) In a study designed to test the effectiveness of hypnosis in reducing pain a research team looked at responses from 8 randomly selected patients before and after hypnosis. The raw data are found in Table 1. Let ? = 0.05
THIS TABLE HAS ALREADY BEEN ANSWERED
D) The point estimate for the true average effect that hypnosis has on pain perception is a:_______ point & select whether it is :decrease, increase or no effect
| Pre | 11.5 | 11.9 | 13.3 | 13.7 | 11.9 | 14.1 | 8.0 | 12.9 |
| Post | 9.7 | 11.0 | 12.5 | 11.0 | 9.0 | 13.3 | 10.2 | 11.2 |
| Diff | ||||||||
| Since the investigators believe that hypnosis will reduce perceived pain levels you should compute the differences as Post - Pre and expect negative numbers if the treatment is effective |
Solution
Answer: The hypothesis whether hynosis has been effective or not in reducing can be tested using the test of significance of the difference between the means.
: Let X1
