This site provides an introduction to basic statistical concepts for journalists and writers with little math background. Key Words: Mean; Median; Percent Changes; Per capita; Rates; Standard...

This article describes data from the television game show Friend or Foe. The data can be used to determine factors affecting contestants' strategies using descriptive statistics, testing for...

The modules in this collection discuss numerous statistical topics with examples and Java applets. Topics covered: Variable Types; Calculations; Histograms; Moments; Quantiles; Probability...

"USA Today has come out with a new survey - apparently three out of four people make up 75 percent of the population." Quote from comedian and late night talk show host David Letterman (1947 -...

This page discusses Yule's conceptualization of the Phi Coefficient. The derivation of the phi coefficient from the Pearson product-moment coefficient of correlation is used here to gain additional...

This lesson on types of variables highlights characteristics of quanitative (discrete/continuous)and qualitative (nominal/ordinal) variables as well as percentages and proportions. A multiple choice...