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.
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.