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Introduction to the properties of probability laws

Some mathematical approaches may seem prohibitive to those who don't like this discipline. Nowadays, with the computer tools available to us (spreadsheets in particular), the purely computational aspect is not the most important thing. Instead, users need to focus on concepts and master them. The greatest difficulty is not in the mathematics. It's getting out of the dogma of the sample, the habit of "min" and "max", and learning probabilistic reasoning. To understand the phenomena that surround us, and more specifically to understand measurement processes, we need to make use of statistics. Standard deviation versus range (Tool