3. Range Check
A range check is commonly used when you are working with data which consists of numbers, currency or dates/times.
A range check allows you to set suitable boundaries:
|Upper limit||The maximum price of any item in a shop is £100||
|Lower limit||In a shop, you cannot sell a negative number of items, however you can sell no items||
|A range||to achieve a B grade you must score between 75% - 84%||
>=75 AND <=84