Jammie Price
 Department of Sociology and Criminal Justice
The University of North Carolina at Wilmington

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SOCIOLOGICAL DATA ANALYSIS SOC 301

 

Appropriate Univariate Statistics and Graphs

Level of Measurement Example Variable Appropriate Central Tendency Statistics Appropriate Dispersion Statistics Appropriate
Graphs
Nominal Race, Sex, Yes/No Questions Percentages, Mode Range Bar Chart, Pie Chart
Ordinal Questions with Likert Response Sets, Categories you can rank Percentages, Mode, Median Range Bar Chart, Pie Chart
Interval Age in years, income in dollars, education  years Mode, Median, Mean Range, Variance, Standard Deviation Histogram, Line Chart
Ratio  Income in dollars and cents, Incidence or prevalence rates  Mode, Median, Mean Range, Variance, Standard Deviation Histogram,
Line Chart