in real world situations there are often outliers or rounded data which cause normality tests to fail even if the histogram looks sufficiently normal. In addition if the sample size is rather big there is the tendency that normality tests always fail.
- Do you know literature to cite that normality tests are…
i have a rather specific problem and am keen to hear your solutions. It´s about the choice of an appropriate control chart and limits.
- Batch production with higher inter-batch than intra-batch variation due to variation in basic materials which cannot be eliminated – > My conclusion X-Bar / s chart (intra…