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Chapter 1 Notes
Statistics in Industry, three points:
Statisticians try find patterns, in face of variations, we look for best descriptions of patterns. Acknowledge errors will be made and that stats can bound errors
Stats is the study part of "plan-do-study-act" cycle.
mode = mode measurement that occurs most often Probably Mass Function = f (x)
mode of a distribution means the the value that has a greatest probability (same as above, just rephrased)
"Simpson's Paradox" = the number of times instances in a single observation does not say anything about the whole of observations -- for instance, player A can have a better Batting Average than player B every year of their career, but player b might have a higher career Batting Average.