Firms are expected to engage directly with policy materials, including rules in the PRA Rulebook, supervisory statements, EU materials and determine â bearing in mind the overarching principle of safety and soundness â whether they meet the PRAâs expectations.
Definition of Expression. An Expression is a mathematical phrase that combines numbers and/or variables using mathematical operations. An expression is a representation of a value; for example, variables and/or numerals that appear alone or in combination with operators are expressions.
Part of the Mathematics glossary: The arithmetic mean, also called the average or average value, is the quantity obtained by summing two or more numbers or variables and then dividing by the number of numbers or variables. The arithmetic mean is important in statistics.