There are four types of measurement scales used in statistics: nominal, ordinal, interval and ratio. Each scale has different properties and uses.1. NominalA nominal scale is category labels. The category labels are not ordered, so it doesn't matter...
The design of experiments is the process of choosing which variables to manipulate in order to determine their effect on the response.What is an Experiment?An experiment is a test designed to answer a specific question about some aspect of nature. Fo...
Let's take a look at some common myths about the design of experiments (DoE).Myth 1: Designing an experiment first is too complicated.The truth is, it's not as hard as you think. When you learn Design of Experiments, you can simply start with a simpl...
Inspection refers to any activity performed to ensure that products meet specific standards before release. Inspections are conducted to ensure that products are free from defects. Inspection plays an essential part in many industries, including crit...
Quality management is a vital part of every project. It ensures that projects are delivered on time, within budget, and with the highest possible level of customer satisfaction. Your definition of quality should be simple and easy to understand. You...
Tacit knowledge can be defined as knowledge that cannot easily be communicated.What is tacit knowledge?Explicit knowledge is the knowledge that we record, structure, share, and reuse. It's the stuff you can see, hear, read, and use. Tacit knowledge r...
The five whys method is a simple way to identify root causes. It involves asking "why" five times. This allows you to discover what's causing problems and why they exist.5 Whys: The Ultimate Root Cause Analysis ToolThe 5 Why process is one of the mos...
Tacit knowledge is not something you can learn in college or school. It’s an acquired skill set that must be developed over time. In other words, it’s a combination of both experience and education.Examples of tacit knowledgeBelow are 8 examples of t...
What is a Quality Engineer?The term ‘quality engineer’ has been used in different ways by various industries, but some common definitions include: 1) A person who inspects or tests materials, components, equipment, or parts, including checking for de...
The Servqual model (also called the gap model) was developed by American authors A. Parasuraman, Valarie A. Zeithaml and Len Berry. In general, the SERVQUAL model identifies the principal dimensions of service quality. Initially, there were ten dimen...
