Lecture 4 The Right Tool for the Job- MT.docx - Notes Your...

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NotesYour Name: Use this general structure (or one of your choosing) to makes notes, ask questions, raise points you would like to discuss in class and summarize this week’s materials in your own words (for your reference later). Michael TranYour NotesThe Right Tool: Descriptive & Inferential Stats picking the right method for our questionoCrosstabsoCorrelations oT-TestsoBonus Lecture on ProbabilityTwo ObjectivesoExplain the difference between Descriptive and Inferential statisticsoProvide a general framework for selecting and interpreting the right statistical tool for your questionTwo types of StatisticsoDescriptive StatisticsDescribes the data we have (mean, median, mode, variance, standard deviation, etc.)oInferential StatisticsHelp us determine how likely it is that what we are observing in our analysis reflects true effects (or relationships), rather than just being purely randomLike falling into a different worldExamine the probability of obtaining that value of a given statisticAn ExampleoTest Group Received the New DrugMean: 42.3Std Dev: 3.5N: 100o

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