A Pharmacologist Is Interested in Determining Whether or Not Three

question 6

Essay

A pharmacologist is interested in determining whether or not three different psychoactive drugs differ in how long they remain in the body before they are excreted or metabolized. The pharmacologist randomly assigned 18 subjects to three different groups and recorded the number of days the drugs remained at measurable levels in each subject. The results are presented below.
a. Is there a difference in the time it takes for these drugs to be cleared from the subjects? (Use a = 0.05).
b. Which drugs are different in how long they remain in the subjects? (Use a = 0.05 and the HSD test).
c. Same as part b , but using the Scheffé test.

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Definitions:

Marginal Social Cost

The total cost to society of producing one additional unit, including both private costs and any external costs.

Marginal Social Benefit

The extra advantage to the community that comes from creating or using an additional unit of a product or service.

Pollution

It refers to the introduction of harmful substances or products into the environment, causing adverse effects on living beings and ecosystems.

External Costs

Costs that are not reflected in the market price of goods or services, often borne by society.