Statistics: Mean, Median, Mode, and Range of the Given Data

-  Mean:
-  Mode: the value in the list that appears most often
-  Median: is the middle number of a group of numbers arranged in order by size.
-  Range: the difference of the largest value and smallest value in the list

Examples:
Example 1.  What is the mode of these numbers?
Solution: Mode: the value in the list that appears most often. 
Therefore, the mode is number . There are three number in the data.

Example 2.  What is the median of these numbers?
Solution: Write the numbers in order:
The median is the number in the middle. Therefore, the median is .

Example 3.  What is the mean of these numbers?
Solution: Mean:

Example 4.  What is the range in this list?
Solution: Range is the difference of the largest value and smallest value in the list. The largest value is 20 and the smallest value is 3.
Then: