If You Have a Population Standard Deviation of 20 and a Sample

question 13

Multiple Choice

If you have a population standard deviation of 20 and a sample size of 4,what is your standard error of the mean?

• A)-10
• B)10
• C)5
• D)-5

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Definitions:

Existential Instantiation

A logical principle where from a general statement, one can infer the existence of at least one particular instance.

Universal Generalization

Universal generalization is a logical principle that allows one to infer that something is true for all members of a class from its being true for every observed member.

Quantifier Negation

The process of negating the quantifier in a logical expression, changing its scope or applying negation to the predicate instead.

Existential Generalization

A logical inference saying that if something is true for at least one member of a class, then it can be generalized to the class.