Suppose That a Researcher Wants to Check to See If

question 20

Multiple Choice

Suppose that a researcher wants to check to see if the average household income in
Webster Groves,Missouri,has changed from the $60,000 it was three years ago.The
Researcher takes a random sample of households in Webster Groves and finds that the average income of these households is $58,000.If the standard error of the mean for this sample is $500,what is the approximate conclusion produced by the Z-test if the critical Z-value is 1.96?

• A)Accept the null hypothesis
• B)Reject the research hypothesis of interest
• C)Accept the hypothesis of the status quo
• D)Reject the null hypothesis and accept the research hypothesis
• E)Reject the research hypothesis

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Definitions:

Utilitarianism

An ethical theory that proposes actions are right if they are useful or beneficial for the majority.

Libertarianism

A political philosophy that advocates for minimal government intervention in the lives of citizens, emphasizing individual liberty, free-market capitalism, and the rule of law.

Ethical Principles

Fundamental guidelines that dictate the standards of conduct and decision-making based on moral beliefs and values.

Democracy

A system of government where power is vested in the people, who rule either directly or through freely elected representatives.