Absolute Frequency and Relative Frequency

Learn how absolute and relative frequency work and how to use their formulas to interpret charts. Let's get started! πŸš€

Absolute Frequency and Relative Frequency - introduction visual

Video Lesson

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Flashcards

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Table showing absolute frequencies of how Class A students get to school: 5 walk, 12 take the bus, 3 go by car, 5 cycle. Total count is 25.Table comparing absolute frequency, relative frequency, and relative frequency percentages for modes of transport. Total sum equals 1 or 100%.Table showing how 40 students in Class B get to school, with absolute and relative frequencies for four modes.

πŸ›ŽοΈ What Is Absolute Frequency?

  • It tells you the exact number of times something happens
  • Adding all absolute frequencies gives the total number of data values

πŸ›ŽοΈ What Is Relative Frequency?

  • It tells you how big each category is, as a fraction or percentage
  • Adding all relative frequencies gives the 1, or 100%

πŸ›ŽοΈ How to Calculate Absolute and Relative Frequency?

  • Relative frequency = absolute frequency of the category Γ· total number
  • Absolute frequency = relative frequency of the category Γ— total number

Practice Questions

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Interactive Activity

Visualize the relationship between absolute frequency and relative frequency

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