Mean: Also known as average. Add all the values in your data set and divide by the number of observations we have.
Example: Data set 1, 3, 5, 6, 8, 11
1. Find sum 1 + 3 + 5 + 6 + 8 + 11 = 34
2. Number of observations = 6
3. Mean: 34/6 = 5.7 (rounded off to nearest tenth)
Última modificación: martes, 21 de junio de 2011, 12:00