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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 […]

Our friend Adam is 45 years old, in good physical shape, and has no health problems. His primary activity is cycling – about 150 minutes a week at a moderate pace. At 185 cm tall, he weighed 87 kg, which is considered overweight, so Adam decided to lose weight. During a visit to a dietitian, […]

A manufacturer of small household appliances was experiencing an epidemic of complaints about leaking kettles. The problem was so serious that as many as 35% of the units were returned to the company after just a few months of use. Interestingly, kettles are subjected to a 100% inspection for leaks after assembly. A team of […]