CLASS 2

Activities

1. Accessing the Chance Database.
2. Stock picking: darts vs. you.
3. Class survey.

Discussions: Causation vs. Association

1. Simpson's paradox

There are two hospitals Mercy and Hope in your town. Under the new national health plan you must choose one of these for health care. You decide to base your decision on the success of their surgical teams. Fortunately, under the new health plan the hospitals are required to give data on the success of their operations broken down into five broad categories of operations. You get the data for the two hospitals and you find





You notice that, in all types of operations, Mercy hospital has a higher success rate than Hope hospital and yet Hope has the highest overall success rate. Which hospital would you choose and why?

2. Smoking and lung cancer

Watch and discuss the video.