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Normal Distribution is a distribution that has most of the data in the
center with decreasing amounts evenly distributed to the left and the
right.
Non-normal Distributions
Skewed Distribution is distribution with data clumped up on one side or
the other with decreasing amounts trailing off to the left or the right.
Distributions can Kurtosis in two ways:
Platykurtic (very flat) Leptokurtic (tall & thin)
Or just non-normal
Central Tendency, Spread, or Symmetry?
Right skewed Left skewed

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Normal and non normal distributions

  • 1. Normal Distribution is a distribution that has most of the data in the center with decreasing amounts evenly distributed to the left and the right. Non-normal Distributions Skewed Distribution is distribution with data clumped up on one side or the other with decreasing amounts trailing off to the left or the right. Distributions can Kurtosis in two ways: Platykurtic (very flat) Leptokurtic (tall & thin) Or just non-normal Central Tendency, Spread, or Symmetry? Right skewed Left skewed