Maths Used
The mean refer to the central point of a
set of data. It is the total of all values,
divided by the number of values.
Mean
Median
Mode
Range
The median is the middle value in a list of values ordered from lowest
to highest. When there are even number of sets, median is the mean
of two middle values.
The mode is the most frequent value. It is a value that appears most
often in a set of data.
The range is the difference between the lowest value and the highest
value. In function, a range is referred to a set of all acceptable input
values.
Deviation
The deviation is the distance between an
element in the data set and the mean.