What I meant when I said, "I'm not a statistician" is "I have no clue what I'm doing, but I want to see what the data says." I went in with no experience, so I

What I meant when I said, "I'm not a statistician" is "I have no clue what I'm doing, but I want to see what the data says." I went in with no experience, so I just went with what made sense to me. Several people made some good suggestions though, so I did do a little self-study and made an update that uses standard deviation and Z-scores, and adjusts for days of the week (see "Updates"): http://robert.io/posts/4.html http://robert.io/posts/4.html