STAT 2507A – August 10

STAT 2507A - STAT2507AAugust10 JerrySitu 3.13.4 Summer2009 1 Bivariatedata Def: unit Example:sex&age,pairedsampledata Now, Graphs Arethevar

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1 STAT 2507A – August 10 Jerry Situ 3.1-3.4 Summer 2009
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Bivariate data Def: When two pieces of information on the same  unit. Descriptive statistics:  before only single variate Now, how to do descriptive statistics for bivariate data.
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Graphs Are the variables quantitative or qualitative? Can have one of each, or two of the same kind For bar, line, pie graphs: Same usages as before. Second variable used to create a second “series”. The series variable typically is the variable for which you  are interested in comparing the distribution(i.e., age  distribution between males and females) 3
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When both variables are quantiative. Can put one variable on x-axis, one  variable on y-axis, and plot each of the  records. Shows relationship between the two 
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This note was uploaded on 05/24/2011 for the course STAT 2507 taught by Professor Masoudmollaalizadehnasari during the Summer '09 term at Carleton CA.

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STAT 2507A - STAT2507AAugust10 JerrySitu 3.13.4 Summer2009 1 Bivariatedata Def: unit Example:sex&age,pairedsampledata Now, Graphs Arethevar

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