POLS 3650 Lecture 14: POLS 3650 mar 2.docx
2 Apr 2015
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Anova: comparing means bw groups therefore at interval/ratio level of measurement, more than 2 var therefore we use anova, boxplots box represents quartile range (range of middle 50%, looking for a general relationships bw iv and dv, ex is the diff bw 2 liberals greater than the diff bw a liberal and conservative, intergroup v intragroup, if intergroup is smaller than intragroup then there is a higher possibility of a correlation, sswithin = total summation of frequency(point value mean)2, ssbetween = total summation of n(dv mean mean)2, measure of ass how strong relationship is bw 2 var, eta2 (cid:224) what is the relationship bw group variation, proportion.
