Re: ordianal data - normal distribution

Carmen Meier wrote:
Richard Ulrich schrieb:

Is "normality" what you wanted to test?

Hi Ulrich,
we would only test a hypothesis.
While visualizing the graphical setup, it appears that the peaks would fit to a normal distribution curve. Therefore we would like to calculate this normal distribution curve and would like to get a value how they fit to this curve.

The better they fit, the better would be the quality of the observation, and maybe the hypothesis could be proved.
8 is only the minimum sample size.

With regards Carmen

If you use Microsoft Excel, these Knowledge Base articles provide instructions for creating a histogram & adding a bell curve. Note that the required Data Analysis ToolPak isn't usually installed by default but can be added via Tools... Add Ins...

http://support.microsoft.com/kb/141684/

http://support.microsoft.com/?kbid=213930
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