The difference between mean, median and mode are:
 Mean is the average value of the given observations
 Median is the middle value of the given observations
 Mode is the most repeated value in the given observation
What is Mean, Median, and Mode?
The mean is the average where the sum of all the numbers is divided by the total number of numbers, whereas the median is the middle value in the list of given numbers numerically ordered from smallest to biggest and mode is the value of the number which occurs most often in the list. You can learn more about it here:
What are the differences between Mean, Median, and Mode?
These three terms are related to each other. There’s a relationship between mean, median and mode and is called an empirical relationship between them. Below are some of the most integral differences between the mean, median, mode.
Sl. No.  Mean  Median  Mode 
1.  The average was taken for a set of numbers is called a mean.  The middle value in the data set is called Median.  The number that occurs the most in a given list of numbers is called a mode. 
2.  Add all of the numbers together and divide this sum of all numbers by a total number of numbers.  Place all the given numbers in an ascending order  It shows the frequency of occurrence. 
3.  The result is the mean or average score.  The next step is to find the middle number on the list. It is called as the median.  We can have more than one mode or no mode at all. 
4.  Example: To find the average of the four numbers 2, 4, 6, 8, we need to add the number first.

Example: If the given list is 4, 2, 8, 10, 19.

Example: In the given series 3,3,5,6,7,7,8,1,1,1,4,5,6

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Frequently Asked Questions on Difference Between Mean, Median and Mode
What are the three measures of central tendencies?
What is mean in statistics? Give an example.
Mean = Total of observation/Number of observation
For example, Mean of 2,5,6,7,8 is, (2+5+6+7+8)/5 = 28/5 = 5.6
What is median? Explain with example.
23, 33, 43, 53, 63
Median = 43
What is mode?Give example.
What is mean, median and mode formula?
Median = {(n+1)/2}th term when n is odd
& Median = [(n/2)th term + {(n/2)+1}th]/2 when n is even
Mode = Value repeated maximum number of times