Aside from this weeks objectives you may find learning the follow terms helpful:

Aside from this weeks objectives you may find learning the follow terms helpful:analysis of varianceone-way ANOVAbetween-group variancewithin-group variancesum of squares between groupssum of squares within groupspost hoc analysisF distributiontwo-way ANOVACompare the means of the three groups using the one-way ANOVA technique.Compute the mean squares between mean squares within the F ratio and determine the significance of results.Differentiate a main effect and an interaction effect.You can use a t-test or ANOVA when there are two treatment conditions. ANOVA must be used when there are more than two treatment conditions. In this situation it would require several t tests to compare all the treatments and the more tests that are done the more risk there is for a Type I error.