A Two-Tailed Hypothesis Test Is Being Used to Evaluate a Treatment

question 83

Multiple Choice

A two-tailed hypothesis test is being used to evaluate a treatment effect with α = .05.If the sample data produce a z-score of z = -2.24,what is the correct decision?

• A)Reject the null hypothesis and conclude that the treatment has no effect
• B)Reject the null hypothesis and conclude that the treatment has an effect
• C)Fail to reject the null hypothesis and conclude that the treatment has no effect
• D)Fail to reject the null hypothesis and conclude that the treatment has an effect

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Definitions:

Producer Surplus

The difference between the amount a producer is paid for a good versus what they would have been willing to accept, reflecting the benefit to producers from participating in the market.

Consumer Surplus

The difference between the total amount consumers are willing to pay for a good or service and the total amount they actually pay.

Marginal Revenue Function

A mathematical formula that shows the additional revenue generated by selling one more unit of a good or service.

High Definition Television

Television systems that have a higher resolution than standard-definition television, offering viewers more detailed and clearer images.