part 2

• Nominal variables:

  • no quantitative or numerical equivalent
  • pie charts and bar charts
• Ordinal variables:

  • can be ranked and be put into order
  • bar charts
• Interval variables:

  • can be ranked and be put into order
  • quantifies the distance
  • histograms and frequency polygons
• Ratio variables:

  • can be ranked and be put into order
  • quantifies the distance- has absolute zero point
  • histograms and frequency polygons