Courtney's Measure of Central Tendency

Sunday, September 28, 2008

- Arrange in ascending order.
- Add all the numbers.
- Then the number you got divide by.
how many numbers are in the data.
- With an outlier the mean is less accurate "average".

Median - Arrange in ascending order/numerical order.
- Middle number in data.
- Great to use if there is an outlier.
- Arrange the data in ascending order.
- There can be more then 1 mode.
- The data that appears the most.
- You can have no mode.
- Arrange the data in ascending order.
- Subtract the smallest data from the largest number.
- Large range = outliers.

Here is a video of mean median and mode..


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