Question 1135886: Please i need a well explanation on how to find a median from a bar chart
Answer by MathLover1(20849)   (Show Source):
You can put this solution on YOUR website! To find the mean, add the numbers and divide the sum by the number of addends.
The median is the middle number in a data set that is ordered from least to greatest.
When there are two middle numbers, the median is the mean of these two numbers.
example:
 ,  , ,  , ,  , ,  ,
The mean is the usual average, so I'll add and then divide:
The median is the middle value, so first I'll have to rewrite the list in numerical order:
, , , , , , , ,
There are nine numbers in the list, so the middle one will be the  th number:
, , , , | |, , , ,
So the median is .
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