Assume the following is a population means table: 
Using your knowledge of general patterns of plotted means in a two-way ANOVA,does there appear to be a main effect of variable A in this example?(Hint: Graphing the means might help. )
Definitions:
Insectivora
An obsolete term for an order of mammals, now split into various orders, that are characterized by feeding on insects and other small invertebrates.
Closed Circulatory System
A circulatory system where blood is contained within vessels and is separated from bodily tissues, as seen in vertebrates.
Dorsal Heart
A dorsal heart is a heart that is located towards the back (dorsal) side of an organism, contrasting with the ventral placement seen in humans.
Hemoglobin
A molecule found in red blood cells that carries oxygen from the lungs to all parts of the body.
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