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:

Obsolescence

The process of becoming outdated or no longer used, often due to technological advancements.

Total Asset Turnover

The ratio that measures how efficiently a company uses its assets to generate revenue, indicating the effectiveness of asset management.