# Thread: Normality plot (no of errors over 2 years)

1. ## Re: Normality plot (no of errors over 2 years)

Use Poisson distribution with mean=1.26 errors/year (see my graphs) and follow your analysis on the data...If you include more data then find mean again and see if then normal distribution is appropriate at your specified significance level.

2. ## Re: Normality plot (no of errors over 2 years)

Originally Posted by hazel
No one ?
See MaxJasper's post #9 above. Opps ... he has already responed himself.

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