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ANSWERS TO STA10003 Mid-Unit Test
a. The Protein Additive
b. Chicken shell thickness
c. The method used is Experimental, because the researcher manipulated the protein additive intake.
d. The research hypothesised is that the shell thickness of the chickens with protein additive added to their feed, would be thicker than the regular fed chickens.
e. All egg producers
f. p= 0.555
g. The sample means does not differ significantly because the p value is higher than 0.05
h. The 95% interval indicates that the mean shell thickness is between 0.60mms to 1.10mms more than protein fed chicken