mar350

sbmarti2 Wrote:
-------------------------------------------------------
> I wouldn't say the null is that he sucks, but that
> he is just completely average. I think quality
> control charts can be used to reject the null
> because he is either good enough or bad enough to
> be statistically different from the horizontal
> line. I'd have to re-read it though as it's been
> a while


If the manager got bad result, and he will be out of the quality control chart too! (from the lower boundary.)

So we will reject the NULL, and does it mean we will fire the good manager??