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Unformatted text preview: es the data say about the senator’s claim of “revenue neutral”? Stat 431 9 Three Sta$s$cal Tasks Given a ques$on of interest … 1.  Collec$ng data –  Which variables should be measured and how? 2.  Summarizing and exploring data (descrip$ve sta$s$cs) –  It’s hard to think about a long list of numbers –  BeWer to use summary sta$s$cs / tables / graphical displays 3.  Drawing conclusions and making decisions based on data (inferen$al sta$s$cs) –  Modeling: turning ques$on of interest into numeri...
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This note was uploaded on 02/25/2013 for the course STAT 431 taught by Professor Stroud during the Spring '08 term at UPenn.

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