CJUS-K300 1nd Edition Lecture 17 Outline of Last Lecture I. Hypothesis Testing with 2 Population MeansOutline of Current Lecture II. Matched Sample T-TestsCurrent LectureTwo types1. Paired participants on a specific characteristic2. The same group tested before and after an interventionResearch question: Do adult men who were abused as children commit more violent acts than men who were not abused as children?Person (Pair) Abused Not Abused 1 4 0 2 0 13 3 24 5 15 2 06 9 37 3 08 2 29 4 110 1 0These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Full formula: SD=√∑(xD−´xD)2n− 1 but it is easier to do it step by step in a table to make sureyou do not forget a piece of the equation. 1.XD= X2−X1 (Next calculation, it is easier to just add it on to your table rather than doing them all separately) Person Pair Abused Not AbusedXDXD−´XD(XD−´XD)21 4 0 -4 -1.7 2.892 0 1 1 3.3 10.893 3 2 -1 1.3 1.694 5 1 -4 -1.7 2.895 2 0 -2 0.3 .096 9 3 -6 -3.7 13.697 3 0 -3 -0.7 .498 2 2 0 2.3 5.299 4 1 -3 -0.7 .4910 1 0 -1 1.3 1.69´XD=¿∑¿
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