Researchers at the University of Florida's Institute of Food and Agricultural Sciences wanted to know whether supplementing chicken feed with corn oil would affect the size of the larger eggs (measured in grams). So hens were randomly assigned to one of two groups. One group of hens got the corn oil (produced eggs with an average size of 63 grams) and the other group of hens did not get the corn oil (and produced eggs with an average size of 60 grams). Please interpret the results here. The two means that we will use in calculating the observed z-score are: Be sure to mention both the independent and dependent variable in your statement. Hint to get started: The weight of the eggs for the ... One-tated Two -0.05 -4.64 296 or 196 184 a 0.01 23 254 +233 .24