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9. A researcher runs an experiment with 100 paintings to see if material type (oil paint, watercolor, pencil, charcoal, or ink) affects the sale price

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9. A researcher runs an experiment with 100 paintings to see if material type (oil paint, watercolor, pencil, charcoal, or ink) affects the sale price of works of art with the same subject matter. The SS, = 226.5 and the $5. =36.7. What is the achieved power and what sample size would the researcher require to achieve 95% power

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