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Below you will find the earlier parts of this article: PART 1 PART 2 PART 3 How to verify the quality of the model? How can we verify how accurately it predicts humidity for different settings of factors A, B, and C, and the AB interaction? It’s best to compare the humidity predicted by the […]

You can find the first part here: PART 1 Defining statistically significant effects To determine statistically significant effects, you need to draw a Pareto chart, i.e. plot the absolute values ​​of the effects in descending order. Next, we calculate the level of the line that indicates statistically significant effects (professionally called ME, for Margin of […]

Background information and purpose of the experiment: In the process of enamelling of small household appliances, one of the most important parameters is the humidity of the compressed air that transports the enamel powder to the enamel guns. It plays a key role in ensuring the stability of powder transport and the quality of the […]

Process capability indexes(Cp, Cpk, Pp, Ppk) Nowadays, customer-supplier relationships are increasingly based on long-term collaboration and the exchange of information. Discussions about specifications and their limits are often a key element of every emerging project. The customer sets specifications and desires to receive products that meet agreed-upon requirements. On the other hand, the supplier needs […]

As a reminder, the goal of the experiment was to test whether additional factors often considered to aid weight loss could actually accelerate Adam’s weight loss. Part one can be found below PART 1 So let’s see which of these factors helped Adam lose weight. From a practical perspective, considering the structure of the alias […]