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dsc exam 3 topics - simple linear regression(store size on...

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chi squared test of independence, contingency table (type of bag (backpack, luggage, man purse, hands), education level( k-6,7- 12, undergrad, grad *dora k-6 backpack (8)*), strongest correlation with 'r', least squares line, inverse/direct linear relationships, criterion (dependent variable), coefficient of correlation (r= cov(x,y)/sxsy), the existance of strong correlation does not necessarily mean a causation effect (cause-effect),
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Unformatted text preview: simple linear regression (store size on sales write equation y=sales, bo=store size DONT FORGET ERROR), multiple regression (maqulliadorers), regression is a forecasting tool, assumptions (LINE- linearity, independence. ..), anova for regression, pvalue > alpha- don't reject, autocorrelation, residuals (error terms),...
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