PSYC3121 ANOVA Homework 15 points 1. Psychology major freshmen, seniors, and graduate students were compared on a test of psychology knowledge. Does class standing impact psychology knowledge? How big (if any) is the effect? Where do the differences (if any) lie? Fill out tables and support your answer with statistics. Round all numbers to 2 decimal places. Sample Freshman Seniors Freshmen Seniors Graduate Students 83 97 95 85 95 99 86 100 100 89 98 98 91 M = ? M = ? M = ? Grad Students x (X-GM) (X-GM) GM=? SStotal = PSYC3121 ANOVA Homework 15 points Sample Freshman Seniors Grad Students 1 x (X-M) (X-M) SS within = PSYC3121 ANOVA Homework 15 points Sample Freshman Seniors Grad Students Source Between-Groups Within-Groups Total x (M-GM) (M-GM) SS df MS F Fcrit at alpha level .05=? R=? Tukey HSD Test: q crit at alpha level .05=? N' Ngroups/(1/N)=? SM-V(MS within/N')=? SS between = PSYC3121 ANOVA Homework 15 points Freshman vs. Seniors HSD= Freshman vs. Grad students HSD= Grad students vs Seniors HSD =