Given the Information: the Number of Degrees of Freedom

question 67

Multiple Choice

Given the information: the number of degrees of freedom that should be used in the pooled variance t-test is:

• A) 40
• B) 38
• C) 15
• D) 25

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Definitions:

Shift

Movement of a supply or demand curve on a graph, indicating a change in equilibrium quantity and/or price in the market.

Subsidy

Financial support extended by the government to a sector, industry, or individual, intended to promote economic and social policy objectives.

Negative Externality

A cost imposed without compensation on third parties by the production or consumption of sellers or buyers. Example: A manufacturer dumps toxic chemicals into a river, killing fish prized by sports fishers. Also known as an external cost or a spillover cost.

Spillover Cost

A cost incurred by someone who is not a direct participant in a transaction, often referring to negative externalities resulting from economic activities.