Tag Archives: test

Normality Testing in Minitab

Normality Testing

The Normal Distribution is the commonest and the most useful continuous probability distribution. Many statistical tests require that the distribution is normal or nearly normal. Several tools are available to assess the normality of data including: using a histogram to visually explore the data, producing a normal probability plot, and carrying out an Anderson-Darling normality test. All these tools are easy to use in Minitab statistical software. Read more »»

PDCA Cycle


The PDCA Cycle is a framework for problem solving, continuous improvement and change. It is widely recognized as the basis of continually improving the quality of processes, products, and services. It is an easy to remember four logical sequence steps: Plan, Do, Check and Act. It provides a simple and structured approach for solving quality-related problems. Multiple iterations of the PDCA cycle may be necessary to solve the problem permanently and reach the ultimate goal state. Read more »»