Stats CH 3.pptx - CHAPTER 2: REVIEW Questions about...

This preview shows page 1 - 5 out of 11 pages.

CHAPTER 2: REVIEWQuestions about reading? Homework?Keywords and Concepts:Unit of AnalysisAverageMeanMedianModeSkewOutliers
VARIABILITYChapter 3
DESCRIPTIVE STATS: VARIABILITYVariability:How scores differ from one anotherAnother way to describe our information set or dataAlso called Spread or DispersionGenerally look at how each scores differ from themeanCommon three measures of variability:Range, Standard Deviation, andVarianceUse with Averages to describe our data and how itis spread out or distributed (Distribution)
VARIABILITYDataset 1:7, 6, 3, 3, 1Dataset 2: 3, 4, 4, 5, 4Same mean: 4Which has more variability?Why might this be important to psychological research?What if these were two different groups of depressivepatients with each score representing a depression index score(1 being low and 10 being acute depression). Which group islikely faring better?

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 11 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
NoProfessor
Tags
Standard Deviation, Keywords, Unit of Analysis

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture