Type I Error

Tomorrow morning, our district is starting 2 hours late as a precautionary measure due to freezing weather.

Even though there is zero chance of precipitation.

Over-compensating? Perhaps. 1

Now, I always build a few days into the calendar that are “semi-fluff” days that can be tossed overboard in case of emergency,2 but… this is starting to cut into the white meat, so to speak.

alpha

Our principal was in my 3rd period class today34 as I was teaching type I and type II errors in hypothesis testing. This would decidedly be the former.

  1. Probably. Almost definitely. []
  2. I had 2 in this unit — fortuitously, I might add — and one in the next []
  3. for my formal observation []
  4. which, by the way. About formal observations… now that I am in year 8, I don’t feel nearly as much anxiety about being observed/evaluated as I once did. But it did take until about this point in my career to develop that level of comfort. []