lecture2 - Statistics 127A Mrinal Raghupathi Monday, August...

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Unformatted text preview: Statistics 127A Mrinal Raghupathi Monday, August 30th, 2010 Outline Administrivia What is Statistics Experiments Stu you may need to know I Things to do I There will be a quiz this Thursday in recitation on chapters 1 and 2. I Read chapter 2 by Wednesday. I O ce hours I I have o ce hours MWF 10 11 am in 1523 Stevenson I TAs o ce hours are on my website, places to be announced. A few random thoughts I Data collection I Analysis of data I Chance of an event I Graphics I Comparisons Statisticians use the method of comparison Kinds There are two kinds of experiments: I Controlled experiments I Observational Studies Every experiment broadly does the following. It divides the subjects into two or more groups. Each group is given a treatment (or possesses some trait). We measure the response and compare the response among di erent groups. Controlled Experiments I In a controlled experiment the investigators divide the subjects into groups....
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lecture2 - Statistics 127A Mrinal Raghupathi Monday, August...

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