What are the expression of mean Midian range and mode?

Mean: The mean is the average of a set of numbers. It is calculated by adding up all the numbers in the set and then dividing by the total number of values.

Median: The median is the middle value in a set of numbers when they are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Range: The range is the difference between the highest and lowest values in a set of numbers. It gives an indication of the spread or variability of the data.

Mode: The mode is the value that appears most frequently in a set of numbers. It is possible to have more than one mode or no mode at all in a set of data.

Mean = Sum of all values / Number of values
Median = Middle value of the data set when assorted in order from smallest to largest
Range = Difference between the largest and smallest values in the data set
Mode = Most frequently occurring value in the data set