01:830:340 : September 14 Notes.doc
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Mom is more likely to say yes when she s in a good mood. Cafeteria gets more crowded as it gets closer to noon. People act up when they re in big groups. How are these situations different? depends on what kind of group of people. It is different how you scream at these events. (contact vs not) more physical contact at a football game, the more animated the crowd is. Gymnastics held inside and football outside (height and reading ability correlation question) We can t stop with correlation, we need some other variables to explain this question. If we know the strength and direction between two variables, we know enough that we should try to find out what is causing what, to take that next step. We know that these variables have some kind of relationship with each other. (correlation in practice):
