News

Frequency tables can be used to help present sets of data. There are 4 children aged 10, which gives a total age of 40 in that category. There are 6 children aged 11, which gives a total age of 66 in ...
Grouped frequency tables are a way of showing data in groups. Set up a new column to write the midpoint of each class. Set up another column to multiply each midpoint by its frequency. Find the sum of ...
Delay lines are used in applications that require a signal delay of a few nanoseconds (ns) or where incremental timing corrections are needed for the system to work properly. This article discusses ...