Statistical Articles
Our Lens Simulator can be used to practice a number of statistical concepts including Cpk/Ppk analysis, control charts, hypothesis testing, and others. In this article I will show you how to do a simple t-Test and F-Test using Quantum XL using data from the simulator. If the simulator’s use isn’t obvious then go to this […]
Hypothesis Testing with the Lens Placement Simulator Read More »
Quantum XL’s AutoTest greatly reduces the time required to find and run the correct Hypothesis Test. However, there are some important notes that you should be aware of when using these tests. Note 1: During the analysis, Quantum XL will test for normality using the Anderson Darling test. If the p-value is less than .05, then
Limitations of Quantum XL’s Auto-Test Read More »
Athletes and their purported use of performance-enhancing drugs have dominated the sporting news in the last few months. The controversy seems to be particularly heated in the sport of baseball, with the Mitchell Report naming many famous players. Of particular interest is the accusation by Brian McNamee that Roger Clemens used performance-enhancing drugs to increase
The Binomial Distribution is commonly used in statistics in a variety of applications. Binomial data and statistics are presented to us daily. For example, in the election of political officials we may be asked to choose between two candidates. Polling organizations often take samples of “likely voters” in an attempt to predict who will be
Understanding Binomial Confidence Intervals Read More »