Question

An experiment is designed to evaluate the effect of different levels of exercise on the health of dogs. The two levels are L1—1-mile walk every day and L2—2-mile walk every other day. At the end of a 3-month study period, each dog will undergo measurements of respiratory and cardio­vascular fitness from which a fitness index will be computed. There are 16 dogs avail-able for the study. They are all in good health and are of the same general size, which is within the normal range for their breed. The following table provides information about the sex and age of the 16 dogs.
a. How would you group the dogs prior to assigning the treatments to obtain a study having as small an experimental error as possible? List the dogs in each of your groups.
b. Describe your procedure for assigning the treatments to the individual dogs using a random number generator.


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  • CreatedNovember 21, 2015
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