John Wants to Compare Two Means

question 88

Multiple Choice

John wants to compare two means.His sample statistics were and .Assuming equal variances,the 95 percent confidence interval for the difference of the population means is approximately:

• A) [2.44,6.19].
• B) [1.17,5.08].
• C) [0.08,4.32].
• D) [-0.09,3.19].

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Definitions:

Animal Spirits

A term used to describe human emotions and psychological factors that drive consumer confidence and economic decision-making.

Real GDP

An inflation-adjusted measure that reflects the value of all goods and services produced by an economy in a given year, expressed in base-year prices.

Investment

The process of distributing usually monetary resources with the goal of earning income or making a profit.

Keynes

Refers to John Maynard Keynes, a British economist whose theories on government spending and monetary policy revolutionized economic thought and policy, especially during economic recessions.