Alyanna's Measure of Central Tendency

Monday, September 29, 2008

Mean

- arrange the data in ascending order
- the sum of numbers divided by how many numbers there are in the data- w/ an outlier the mean is less accurate "average"
Median

- arrange the data in ascending order
- the middle number in a set of data
- if there are 2 middle numbers you find the mean of them
- great to use if there is an outlier

Mode

- arrange the data in ascending order
- most frequently used number in the data
- you can have more then one more or NO mode





- arrange the data in ascending order
- subtract the smallest number from the biggest number
- outlier = biggest number



Here is a video of Mean Median and Mode ..




0 comments:

Post a Comment