Frequency Distribution Calculator

Create a grouped frequency distribution table from raw data

About Frequency Distributions

A frequency distribution organizes data into classes (groups) and shows how many observations fall into each class.

Key Terms:

  • Class Width: Range divided by number of classes
  • Midpoint: (Lower + Upper bound) / 2
  • Relative Frequency: Class frequency / Total observations
  • Cumulative Frequency: Running total of frequencies