The Sum of Squares technique calculates a measure of the variation in an experiment. Used in Designed experiments and Anova. It is given by the formula:

sum of squares equation

The Sum of Squares is used in ANOVA.

Example Sum of Squares problem.

It’s easiest to do this in a chart.

Step 1: List all of the values.

Step 2: Calculate the Square of each.

Step 3: Sum the squares of each value.

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