The license is generated based on a number for the named option and a file maps these features back to the name of the option. The option codes are specific to the option name and the Pro/ENGINEER config id, and can be found listed on the Pro/ENGINEER License Pack.
A test statistic is a standardized value that is calculated from sample data during a hypothesis test. You can use test statistics to determine whether to reject the null hypothesis. The test statistic compares your data with what is expected under the null hypothesis.
A t-test is a statistical method used to see if two sets of data are significantly different. A z-test is a statistical test to help determine the probability that new data will be near the point for which a score was calculated. Learn about these two statistical calculations, their differences, and their similarities.