Basic Formulas: Sum, Average, and Percentage Sum : The sum is the total of a set of numbers. It can be calculated by adding up the individual numbers. E...
Sum: The sum is the total of a set of numbers. It can be calculated by adding up the individual numbers.
Example:
Sum = 10 + 15 + 20 = 45
Average: The average is the sum divided by the number of elements in a set. It is a measure of how evenly distributed the numbers are.
Example:
Average = (10 + 15 + 20) / 3 = 15
Percentage: The percentage tells you what percentage of a whole something is. It is calculated by dividing a part by the whole and multiplying by 100.
Example:
Percentage of students who passed the exam = (Number of students who passed) / (Total number of students) x 100% = (5/10) x 100% = 50%