Experiment results

Appearance by the end of:

Week 1 Week 3 Week 5 Week 7 Week 9 Week 11
Week 2 Week 4 Week 6 Week 8 Week 10 Week 12

CONCLUSION: It is difficult to confirm either of the two assumptions:

  1. the new toothpaste is better OR
  2. The new toothpaste is not better (and perhaps even worse) …than other toothpaste

 

Go on to read why not