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Murphy's Nice one ;-)
Toggle Commented 2 days ago on Because it's Friday: Word Crimes at Revolutions
I think this is a very good auxiliary method. But it can't replace some "classical" teaching. Here's an example: I first need to explain the concept of linear regression, before students can use it in case method style. This teaching could include the mathematics behind the parameter fitting, the R-commands necessary (my students don't know "~" for formulas before they learn lm), the formula behind Rsquared and it's interpretation, what a correlation is anyways, ... I doubt students should learn this on their own - teaching time is too valuable for that. Let's get to the application of statistical methods!
A side note: these percentages do matter very much for some people: My parents are dairy farmers, and as such are paid partially by percentage of fat in the milk. The basic idea is that more dairy products such as cheese can be obtained from fat-rich milk (4 to 5% of fat with a good livestock) than from low-fat milk (2-3%). So I grew up with my parents talking about diets for the cows that would optimize fat content without compromising other indicators for milk quality (and monetary value). These discussions are in the order of magnitude of 3.6 vs 3.8%!
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Apr 29, 2013