Difference between revisions of "Worksheets/Week4"
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Kevin Dunn (talk | contribs) (→Part 3) |
Kevin Dunn (talk | contribs) (→Part 3) |
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# B: feed concentration: -1 == 5%; +1 == 15% | # B: feed concentration: -1 == 5%; +1 == 15% | ||
# C: mixer type: -1 = R mixer; +1 = W mixer | # C: mixer type: -1 = R mixer; +1 = W mixer | ||
model_stability = lm(y ~ A*B*C) | |||
summary(model_stability) | summary(model_stability) | ||
Revision as of 14:41, 2 October 2019
Part 1
Your family runs a small business selling products online. The first factor of interest is whether to provide free shipping over €30 or over €50. The second factor is whether or not the purchaser must first create a profile before completing the transaction. The purchaser can still complete their transaction without creating a profile. Below are the data collected, showing the 8 experiments.
Part 2
Continuing with the case above:
Part 3
Your group is developing a new product, but have been struggling to get the product’s stability, measured in days, to the level required. You are aiming for a stability value of 50 days or more.