A Researcher Predicts That Scores in Treatment a Will Be

question 37

Multiple Choice

A researcher predicts that scores in treatment A will be higher than scores in treatment B.If the mean for the 10 participants in treatment A is 4 points higher than the mean for the 10 participants in treatment B and the data produce t = 2.095,what decision should be made?

• A)With  = .05,reject H₀ for either a one-tailed or a two-tailed test
• B)With  = .05,fail to reject H₀ for either a one-tailed or a two-tailed test
• C)With  = .05,reject H₀ for a one-tailed test but fail to reject for a two-tailed test
• D)With  = .05,reject H₀ for a two-tailed test but fail to reject for a one-tailed test

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Definitions:

Pharmaceutical Company

A commercial business that researches, develops, makes, and sells pharmaceutical drugs and treatments.

Average Revenue

The total revenue divided by the quantity sold, representing the amount of revenue generated per unit of output sold.

Marginal Revenue

The increase in revenue that results from the sale of one additional unit of a product or service.

Natural Monopoly

A market situation where due to high fixed costs or unique production processes, one provider can supply a product or service more efficiently than multiple competitors.