Every electronic circuit has some noise and it can affect both analog and digital circuits. Some noise comes from outside interference while some comes from random factors such as thermal effects.

A frequency table tabulates the number of times values from a data set appear within a configured range. As an example, you might have a list of employee scores and want to display the frequency of ...

The FREQ procedure provides easy access to statistics for testing for association in a crosstabulation table. In this example, high school students applied for courses in a summer enrichment program: ...