Slide Notes on Statistical Methods III - Two way ANOVA | STA 4164, Study notes of Data Analysis & Statistical Methods

Download Slide Notes on Statistical Methods III - Two way ANOVA | STA 4164 and more Study notes Data Analysis & Statistical Methods in PDF only on Docsity! '& $% Regression with Dummy Variables Two-Way ANOVA S lid e 1 '& $% The Hormone Data Human growth hormone was administered at a clinical research center to growth hormone deficient, short children who had not yet reached puberty. The investigator was interested in the effects of gender (factor A) and bone development (factor B) on the rate of growth induced by the hormone administration, which is measured as the growth rate difference in centimeters per month. Bone Development Severely Moderately Mildly Gender Depressed Depressed Depressed Male 1.4 2.1 .7 2.4 1.7 1.1 2.2 Female 2.4 2.5 .5 1.8 .9 2.0 1.3 S lid e 2 '& $% The Table of Cell Means Bone Development Row Severely Moderately Mildly Averages Gender Depressed Depressed Depressed Male 2.0 1.9 .9 1.657 Female 2.4 2.1 .9 1.628 Column Averages 2.1 2.02 .9 1.643 S lid e 3 '& $% bo ne d ev el op m en t mean response 1.01.52.0 M ild M od er at e S ev er e ge nd er F M S lid e 4