I think the examples in the handbook are excellent, as an engineer I started on the pipeline example [1]. In terms of testing hypothesis, the design of experiments section is useful [2].

[1] https://www.itl.nist.gov/div898/handbook/pmd/section6/pmd62.... [2] https://www.itl.nist.gov/div898/handbook/pmd/section3/pmd31.....