Child Development 133 (03, 04,
72, 73 & 74)
Research Methods in Human Development

Hembree            Spring, 2013


Descriptive Statistics

I.  Describing and summarizing data (descriptive statistics)

A. Introduction

  • What are statistics?  





  • Descriptive vs. Inferential statistics






B. Pictorial representations  

  • frequency distributions





  • frequency histograms/bar graphs






  • frequency polygons





C.  Central tendency















D. Variance (review) and standard deviation






E. The normal curve and z scores








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California State University, Sacramento

College of Education

Department of Child Development

Updated: January 25, 2013

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