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FM Bell Curve

1.9 The Normal Distribution

Overview of the Normal Distribution

  • The normal distribution appears often in population and natural distributions.
  • It is often referred to as the bell curve.
  • Normal distributions are assumed to be perfectly symmetric.

Note: this is not always the case in practice, but it is an accurate approximation.

  • A key characteristic of the normal distribution is that the mean and median are equal and correspond to the highest frequency
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