Normal Curve

Definition

A normal curve, also known as bell curve or Gaussian distribution, represents data that clusters around a mean or average. It’s symmetrically balanced with half of all scores falling above and below the mean.

Related terms

Standard Deviation:

This measures how spread out numbers are from their average value.

Mean:

This is simply another name for average - it’s calculated by adding up all values and dividing by number of values.

Outliers:

These are values significantly distant from other observations in a data set.