Researchers investigated the nutritional content of eggs that were randomly sele

Question

Researchers investigated the nutritional content of eggs that were randomly selected from chickens raised in four different types of housing: cage, barn, organic. The eggs were also classified as being from either a large or medium weight class. Answer the questions as follows based on the results show ANOVA table shown. Tests of Between-Subjects Effects Dependent Variable: OVERRUN Is there a significant main effect for housing? Is there a significant main effect for weight class? Is there an interaction? What test would you conduct to follow up these results?

Explanation / Answer

a) Since p-value of main effect for housing is 0.000, which is less than 0.01. There is a significant main effect for housing.

b) Since p-value of main effect for weight loss is 0.233, which is large enough to conclude that there is not a significant main effect for weight loss.

c) Since p-value of interaction effect for is 0.516, which is large enough to conclude that there is not a significant interaction effect.

d) Since there is a significant main effect for housing, use post hoc test to see which housing type is different froom others.

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