(a)
To explain the statement carefully.
(a)
Explanation of Solution
In this question, a nutrition experimenter intends to compare the weight gain of newly weaned male rats fed Diet A with that of rats fed with Diet B. The statement was that if the ten rats from Litter
(b)
To describe a better design for this experiment.
(b)
Answer to Problem 81E
The better design would be a randomized block design.
Explanation of Solution
In this question, a nutrition experimenter intends to compare the weight gain of newly weaned male rats fed Diet A with that of rats fed with Diet B. Thus, for the better design for this experiment we should use a randomized block design with the litters as blocks. For each of the litters randomly assign half of the rats to receive Diet A and the other half to receive Diet B. This will allow researchers to account for the differences in weight gain caused by the differences in genetics and initial health.
Chapter 4 Solutions
The Practice of Statistics for AP - 4th Edition
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