3 Matching Annotations
  1. Oct 2017
    1. If this was real data, then we wouldn’t know if the two sample means came from the the same distribution or different distributions.

      Repeated the word "the".

    2. What happens we we do this?

      Repeated word "we". First "we" should be changed to "when".

    3. If you can guarantee that the the only change was switch 1 going up and down, then you can be confident of the inference that switch 1 caused light 1 to turn on and off.

      Repeated "the" should be deleted.