During Week Nine, we finished testing on our model. We used our first four runs for brew times of 1-4 to predict that the brew time at which 20% of the coffee would be extracted. This time occurred around 6 minutes. Using this prediction, we ran a trial with a brew time of 6 minutes, and we found an extraction yield of 21.8%. This value fit our trend, and we determined the ideal brew time to be 5.574. minutes. After our trials were done, we began to work on our final presentation.
Pictured: A sample graph of our brew time vs Extraction Yield (above).
