A Set of N = 10 Scores Has a Mean

question 68

Multiple Choice

A set of N = 10 scores has a mean of µ = 50.If 20 points are added to one of the scores,what is the new value for the population mean?​

• A)​50
• B)​51
• C)​52
• D)​70

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Definitions:

Externality Problem

A situation where the actions of individuals or businesses result in benefits or costs to others that are not reflected in market prices.

Negative Externality

A cost that affects a party who did not choose to incur that cost, often leading to market failures when not properly accounted for.

Sierra Club

An environmental organization that promotes the conservation of natural environments and influences public policy through advocacy and education.

Externalities

Economic side effects or consequences that affect uninvolved third parties; can be either positive or negative.