The Mean and the Median 8D and 8E
The mean
polulation mean and sample mean. Write down the difference
examples 5 6 7
example 6. pay attention to mid point. Q 1-6
The Median
Copy down red boxes
Common error. The median formula does not give the median. It gives the position of the median in the data set.
extension. read page 268 on quartiles. copy it down