Data Distribution and Summary Measures

Data Distribution and Summary Measures

1. Tabular

   • Qualitative Data
     • Absolute Frequency
     • Relative Frequency
   • Quantitative Data
     • Divide data into classes
       • Relative Frequency
       • Cummulative Frequency

2. Graphical

   • Quantitative Data
     • Absolute and Relative Frequency Histogram, Cummulative Frequency Polygon
   • Qualitative Data
     • Pie Chart, Bar Chart, Side by Side Bar chart

3. Location

   • Mean
   • Median
   • Mode

4. Variance

   • Standard Deviation
   • Interquartile Range
   • Coefficient of Variance (CEV)