Assignment 3

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Psychology

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Feb 20, 2024

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1 ASSIGNMENT 3 Saucier Assignment 3: Up to 2-Group Parametric Design Department of Psychology, The University of Tennessee at Martin PSYC 318: Experimental Psychology II Dr. MacKewn
2 ASSIGNMENT 3 Saucier 1. What was the average triglyceride value (tg0) for males at the beginning of the study? What were the average triglycerides at the end of the study? (tg4) a. Utilizing a dependent paired samples t-test after determining normality, we are able to determine the average for males at the beginning of our study and at the end. We utilize this test as it is the same people within the levels. Triglyceride levels at the beginning of the study (tg0) averaged a level of 147.33 (mg/L) and their final triglyceride (tg4) average was 117.11 (mg/L).
3 ASSIGNMENT 3 Saucier 2. I think that males have significantly higher triglycerides (tg4) than females at the end of the study. Test this hypothesis. a. Null Hypothesis: “Males will not have significantly higher triglycerides (tg4) than females at the end of the study.” Since this is testing triglycerides between the two groups, we must first test for normality and homogeneity of variance. From running the tests, the assumption for normality is p>0.05, but the assumption for HOV is p<0.05, which results in the need to run a Mann-Whitney test, as assumptions are not satisfied. With the significance of p=.266 (p>0.05), we do not have enough statistical differences, which will lead to failing to reject the null.
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