response for the four experiments at the high level and the average value for four experiments at the low level. Thus the effect of

This value should be near zero for the dummy variables.

Estimate the mean square of each variable (the variance of effect).

For A the mean square will be =

The experimental error can be calculated by averaging the mean squares of the dummy effects of E and G. Thus, the mean square for error =

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Brew Your Own Beer

Discover How To Become Your Own Brew Master, With Brew Your Own Beer. It takes more than a recipe to make a great beer. Just using the right ingredients doesn't mean your beer will taste like it was meant to. Most of the time it’s the way a beer is made and served that makes it either an exceptional beer or one that gets dumped into the nearest flower pot.

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