Bell Curve: http://en.wikipedia.org/wiki/The_Bell_Curve
Normal Curve (or distribution):
![[Image: 325px-Standard_deviation_diagram.svg.png]](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Standard_deviation_diagram.svg/325px-Standard_deviation_diagram.svg.png)
It is called a 'bell curve' but usually referred to as normal distribution... it won't matter so much what you call but the 'study' has taken that phrase to another dimension.
Normal Curve (or distribution):
![[Image: 325px-Standard_deviation_diagram.svg.png]](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Standard_deviation_diagram.svg/325px-Standard_deviation_diagram.svg.png)
It is called a 'bell curve' but usually referred to as normal distribution... it won't matter so much what you call but the 'study' has taken that phrase to another dimension.