Related Terms. A Rapid Application Development (RAD) system developed by Borland International, Inc. Delphi is similar to Visual Basic from Microsoft, but whereas Visual Basic is based on the BASIC programming language, Delphi is based on Pascal.
A parameter is a numerical value that states something about the entire population being studied. For example, we may want to know the mean wingspan of the American bald eagle. This is a parameter because it is describing all of the population. Parameters are difficult if not impossible to obtain exactly.
A statistic is a sample value such as the average height of a group of students. A parameter is a â¦ functional constant such as the mean of a normal distribution. Statistics are often used to estimate parameters. For instance, a sample average is an estimate of the mean.