It is obtained by dividing one quantity (numerator) by another (denominator) without implying any specific relationship between the numerator and the denominator.
If there are 5 apples and 10 oranges, it is expressed as follows:
5 : 10 or 5 / 10
It is a type of ratio. It describes outcome as a reflection of a part to the whole. It is typically expressed as percentages. For example, if there are 225 people in a room and 89 of these are males, males is 89 / 225 = 0.396. Multiply the answer by 100 to get the percentage: 0.396 x 100 = 39.6%.
It is a special kind of proportion, the frequency of a specified outcome that occurs in a population during a defined period of time, divided by the average population at risk.