Study notes

Statistics & Probability

Representing data with dot diagrams, histograms, and stem-and-leaf diagrams, finding the mean/mode/median, and working out the probability of a single event.

What this topic covers

  • The same data can be pictured three ways
  • Read every bar (or every leaf) to find the total
  • The mean is the total shared out equally
  • The median is the middle value once the data is in order
  • The mode is the value that occurs most often
  • Probability of a single event, always in simplest form

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