You are devising an experiment to test how effective a newly developed pesticide is at killing mosquitoes. You have multiple chambers containing 100 mosquitoes in each chamber. To a group of the chambers, you expose the mosquitoes to a specific dosage of the pesticide and count the number of living mosquitoes after 8 hours.
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The population of mosquitoes in a certain area increases at a rate proportional to the current population and, in the absence of other factors, the population doubles each week. There are 200,000 dollar mosquitoes in the area initially, and predators (birds, etc, ) eat 20,000 dollar mosquitoes/day. Determine the population of mosquitoes in the area at any time.
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In an experiment to determine whether Avon's Skin-So-Soft is as good as Deep Woods Off at repelling mosquitoes, a researcher recruited several students and randomly put Skin-So-Soft on one arm and Off on the other. The students were then instructed to wander the campus for several hours, not going inside a building. When they returned, the number of mosquito bites was counted on each arm. This is an example of a matched pairs experiment.
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Suppose you are conducting a study to compare firefly populations exposed to normal daylight/darkness conditions with firefly populations exposed to continuous light (24 hours a day). You set up two firefly colonies in a laboratory environment. The two colonies are identical except that one colony is exposed to normal daylight/darkness conditions and the other is exposed to continuous light. Each colony is populated with the same number of mature fireflies. After 72 hours, you count the number of living fireflies in each colony.
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