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You Are Considering Testing a New Drug That Is Supposed

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You are considering testing a new drug that is supposed to facilitate learning in mentally retarded children. Based on preliminary research, you have some idea about the size of the drug's effect. Because of your work schedule you can either do the test with 15 subjects or with 20. You would like to only run 15 subjects, but if running 20 will make power at least 20% higher, you will run 20 subjects. Calculate power for the following conditions: You are considering testing a new drug that is supposed to facilitate learning in mentally retarded children. Based on preliminary research, you have some idea about the size of the drug's effect. Because of your work schedule you can either do the test with 15 subjects or with 20. You would like to only run 15 subjects, but if running 20 will make power at least 20% higher, you will run 20 subjects. Calculate power for the following conditions:

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Definitions:

Sherman Act

A United States antitrust law passed in 1890 that outlaws monopolistic business practices.

Conspiracy

Conspiracy is an agreement between two or more persons to commit an illegal act or to accomplish a legal end through illegal means.

Price-fixing Conspiracy

An illegal agreement between competing businesses to fix prices at a certain level, restricting competition and violating antitrust laws.

Parallel Pricing

A situation where competitors in the market set their prices at a similar level without explicit agreement, often as an anti-competitive practice.

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