Laboratory for Interdisciplinary Statistical Analysis - LISA - Virginia ...

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Laboratory for Interdisciplinary StatisticalAnalysis1973: The Statistical Laboratory was re-formed as the StatisticalConsulting Center to assist with statistical analyses in everycollege of Virginia Polytechnic Institute & State University(VPI&SU).www.lisa.stat.vt.edu
Laboratory for Interdisciplinary StatisticalAnalysis2007: The Graduate Student Assembly led a movement to savestatistical consulting and collaboration from death by budgetcuts, ensuring that graduate students could receive help withtheir research.The College of Science, Provost, Vice President of Research,Graduate School, and six additional colleges agreed thatresearchers should be able to receive free statistical consultingand collaboration.www.lisa.stat.vt.edu
Page 1 and 2: Laboratory for InterdisciplinarySta
Page 3: Laboratory for Interdisciplinary St
Page 7 and 8: Laboratory for Interdisciplinary St
Page 11 and 12: LISA helps VT researchers benefitfr
Page 13 and 14: LISA helps VT researchers benefitfr
Page 15 and 16: How can LISA help?• Formulate res
Page 19 and 20: Introduction to R• R is a free so
Page 23 and 24: Anne Ryan23
Page 25 and 26: Burden of Proof—Obligation to shi
Page 27 and 28: Hypothesis Test: Procedure for exam
Page 29 and 30: State the name of the testing metho
Page 31 and 32: State the hypothesis of interest Th
Page 33 and 34: 1. Left Tailed Hypothesis Test:•
Page 35 and 36: Three Requirements for Stating Hypo
Page 37 and 38: Significance Level: Here we choose
Page 39 and 40: Test Statistic: Compute the test st
Page 41 and 42: Conclusion: Last step of the hypoth
Page 44 and 45: Used to test whether the population
Page 46 and 47: The sample is random. The populatio
Page 48 and 49: A researcher would like to know whe
Page 50: Step 5 Conclusion: Fail to reject
Page 53 and 54: The population means of the two gro
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Step 3: Calculate the test statisti
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Steps 2-4:JMP Demonstration:Analyze
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The paired t-test is used to compar
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The sample is random. The data is m
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A researcher would like to determin
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Step 5 Conclusion: There is not evi
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The first step is to use the ANOVA
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Step 1: We test whether there is ad
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CA B C A BMedical TreatmentCompare
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The mean square for groups, MSG, me
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Step 4: Calculate the p-value. Step
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JMP demonstrationAnalyze Fit Y By
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The p-value of the overall F test i
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LevelDrug CDrug CDrug B- LevelDrug
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No InteractionInteractionImprovemen
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We would like to determine the effe
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The one sample t-test allows us to
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Fisher’s Irises Data (used in one
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Laboratory for Interdisciplinary Statistical Analysis - LISA - Virginia ...

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