taken from Spurious Correlations by Tyler Vigen The most important lesson of the school year If I could gift my students with only one single concept that they could take from my class and bring into the real world, it
We use z-scores and Table A to help us find area under normal distributions (P-value) so that we can make a conclusion to a significance test. But calculators and technology can do all this work for us. Tables of values are archaic.
Most of our students will have no trouble calculating a z-score. But interpreting the z-score is a much more important concept for their future success. Here is one approach to get them there: Start with the why Rather than shoving