Hello and thank you for hearing my cry for help. I am working with an excel chart to show the process capability given a list of results for a specific test. I've attached my workbook because it'll be way easier to look at than to try and describe. I highlighted the problematic chart in yellow and also highlighed the tabs involved in yellow. If you see the other charts above the problematic one, the distribution looks correct. I tried to recreate the chart and I do get a normal distribution when I do this, but when I try to add the first error bar, the distribution goes flat. Can anyone tell me what I'm doing wrong?
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