Solution for QID #19266: Medical researchers want to know if listening to music can r | StudyHelpMe

Medical researchers want to know if listening to music can reduce stress levels. They use the Cohen Perceived Stress scale [taking values from 0 to 40] to measure the stress levels of Senior Executives at the beginning of the study. The Executives then listen to ‘calming’ music for a period of five minutes before their stress levels are re-measured. What analysis would you use to test if the calming music reduces stress levels? Group of answer choices 1.Cross-tabulation / Chi-Square test 2.Pearson’s correlation coefficient / Regression analysis 3.Paired samples t-test 4.Binomial Test 5.Independent samples t-test 6.One sample t-test