October 20, 2020 Sample Size, Control Distance, and Type I and Type II Errors in Control Charts Type I and Type II errors in control charts (or in statistics) are difficult to explain concepts. When trying to explain the impact of…

October 6, 2020 Normal Distribution Visualized (Interactive) Please click here to open the full presentation: https://www.desmos.com/calculator/lpitkgvcr6 You can: See how the shape of the distribution changes with a difference choice of…

October 6, 2020 “The Area Under the Curve Concept” using Uniform Distribution Please click the link to see an interactive version. https://www.desmos.com/calculator/5ljlx0c7t5 In this example You can change the value of to see how does it…

September 8, 2020 Business Statistics Lecture Slide This is the lecture note I have developed for fall 2020 business statistics. I will develop the next half as my course progresses. The…

August 13, 2020 What could go wrong with a product design? This is what happens when you do not respect the voice of your customers. This illustration can also be used in the project management…

July 21, 2020 Data, Histogram, Distribution, and Probability This set of video explains the following ideas: Video 1: How do you get a distribution from a bunch of numbers? Video 2: What…

July 8, 2020 From Factory to Market: Distribution Problem (Linear Programming Approach) This exercise introduces an important topic in the operations and supply chain management – distribution problem. Essentially, it deals with a problem where you…

July 8, 2020 Service Level, Fill Rate, and Newsvendor Model Service level is the frequency of the stockout, while the fill rate means the proportion of demands satisfied. Newsvendor model determines the desired service…