In an effort to determine if proficiency test scores are aff…
In an effort to determine if proficiency test scores are affected by the education of a child’s parents, a random sample of 9-year-old children was drawn. Each child’s test score and the highest level of education achieved by either parent were recorded. The education categories are 1 = less than high school, 2 = high school graduate, 3 = some college, and 4 = college graduate. What hypothesis test should the researcher use to analyze the data?
Read DetailsYour team completed GRR study with the following results:…
Your team completed GRR study with the following results: Repeatability – EV 4.195 Reproducibility – AV 6.794 Repeatability and reproducibility – R&R 7.984 Part Variation – PV 16.578 Total Variation – TV 18.401 % of Total Variation EV 22.80% AV 36.92% R&R 43.39% PV 90.09% What is the most appropriate action for the current measurement system?
Read DetailsErin, operations manager of a ABC Manufacturing, was concern…
Erin, operations manager of a ABC Manufacturing, was concerned about deteriorating product quality, workplace safety, and better use of floor space. “We need to start somewhere” she challenged her team. What practice or tool would be best for Erin’s team to implement?
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