The average weight of a species of laboratory rats at birth is 27.6 grams with a standard deviation of 3.4 grams. You wish to test the hypothesis that a different maternal feeding cycle but the same quantity and quality will affect birth-weight. A sample of 10 female rats given the new feeding schedule gave birth to 56 baby rat pups with an average weight of 25.9 grams. 
Definitions:
Mucosa
A moist tissue layer that lines certain internal surfaces of the body, including the nose, mouth, lungs, and digestive tract.
Colon
Division of the large intestine that extends from the cecum to the rectum.
Goblet Cells
Specialized epithelial cells found within the respiratory and intestinal tracts that secrete mucus to trap pathogens and particles.
Pancreatic Juice
External secretion of the pancreas; clear, alkaline fluid containing several enzymes.
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