- Must arrange data in ascending order.
- Add all of the numbers in the data set, and then divide by the total number of data entries.
- * with an outlier the mean is less accurate "average".
Median
- Must arrange data in ascending order.
- Find the middle.
- If there's 2 middle numbers, add them both then divide it by 2.
- * great to use if there is an outlier.
- Must arrange data in ascending order.
- find the data that appears the most.
- there could be more than one mode
- there could be no mode.
- Must arrange data in ascending order.
- Subtract the smallest data from the highest data.
- * large range=outlier
Video about measures of central tendency!
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