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Unit 5: Distributional ShapeLesson 3:Shape and Central Tendency : 

Unit 5: Distributional ShapeLesson 3:Shape and Central Tendency EDER 5210 – Educational Statistics Dr. Robin K. Henson University of North Texas © 2002 University of North Texas Dr. Robin K. Henson © 2002 Next Slide

How does distrIBUTION Shape relate to CENTRAL TENDENCY? : 

How does distrIBUTION Shape relate to CENTRAL TENDENCY? Mean is pulled toward the tail away from the median in a skewed distribution. Dr. Robin K. Henson © 2002 University of North Texas Next Slide

Where is the mode? : 

Where is the mode? Common representation in many textbooks: Dr. Robin K. Henson © 2002 University of North Texas Next Slide

Slide 4: 

Where’s the tail? Mode=1 Md=4.5 Dr. Robin K. Henson © 2002 University of North Texas Next Slide

* Negatively skewed : 

* Negatively skewed * SD is not 0 * Not normal * < Md Dr. Robin K. Henson © 2002 University of North Texas Next Slide

Unit 5: Distributional ShapeLesson 3:Shape and Central Tendency : 

Unit 5: Distributional ShapeLesson 3:Shape and Central Tendency EDER 5210 – Educational Statistics Dr. Robin K. Henson University of North Texas © 2002 University of North Texas Dr. Robin K. Henson © 2002 Next Slide

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