1. What is meant by within group variance? Between group variance? How does the ANOVA procedure use these concepts?
2. What are the 6 steps to the ANOVA hypothesis test?
Total variance is the sum of the squared differences between the data values of each of the units and the mean value of all the units. This total variance can be broken down into within-group variance, which is the sum of the squared differences between the data values of each of the units and ...
Group variance is defined. How ANOVa procedures use these concepts is discussed. The six steps to ANOVA hypothesis test is given.