Friday, November 8, 2013

If you really think your employee's performance is on a bell curve, you should fire your HR department.

A recent kerfuffle over in Yahoo Land has got me thinking about the mis-application of statistics.

The assumption is that employee performance follows a bell curve. But you only get a bell curve in your sample of a larger population if your sample is random and the larger population is also a bell curve.

What this means is that if your employee's performance truly follows a bell curve, then you should fire your HR department and completely replace all those expensive people with a random process that just picks a resume out of the hat. Frankly, I suspect you'd be hard pressed to tell the difference in most organizations.

1 comment:

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