lem 7. Consider a situation when you have a budget of 20 runs and are investigating three factors of them continuous, one categorical) with two levels each. A) [5 points] If you are interested in fitting a model with the main effects and interactions which experimental design would you suggest? Include your design matrix here in nonrandomized form. B) [5 points] What is the power of your design at estimating 1, 2, and 3 sigma effects