This data file is intended for use with the Foldover tutorial. Inspiration for this case study came from Statistics for Experimenters, 2nd Edition (Wiley, 2005) by Box, Hunter and Hunter (“BHH”). In Section 6.5, BHH reports a very similar study with a few factors and results differing from those in this file. 35 63 35 108 108 108 108 108 108 108 108 0 0 0 0 0 0 0 0 2 -1 -1 0 0 0 0 0 0 0 0 2 -1 -1 Down 40 Up Atlas High Off On 74 Up 40 Up Windy Low Off Off 77 Down 40 Down Atlas Low On Off 77 Up 50 Up Atlas Low On On 82 Down 50 Down Windy Low Off On 83 Up 40 Down Windy High On On 72 Down 50 Up Windy High On Off 47 Up 50 Down Atlas High Off Off 48