Question

The following plans are being tested for mean weight loss. The entries in the following table display the weight losses for the different plans.

Plan 1	Plan 2	Plan 3
4.01	4.06	8.21
4.62	7.05	3.67
3.24		2.5
3.27	4.39

What is the sum of squares that represents the variation within samples that is due to chance, SS_(within)?

Answer 1