If Z = 196,the Standard Deviation Is 2

question 7

Multiple Choice

If z = 1.96,the standard deviation is 2.5,and the error is plus or minus $0.50,what is the
Approximate sample size needed for this study?

• A)96
• B)25
• C)19
• D)48
• E)49

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Definitions:

Self-Selected Sample

A sample where only the people most interested in the poll or survey participate.

Interested in Poll

The act of showing curiosity or concern about the results or methodology of a survey designed to gauge public opinion or preferences.

Inductive Arguments

A type of reasoning that draws general conclusions from specific observations or instances.

Categorical Syllogisms

A form of deductive reasoning consisting of three parts: a major premise, a minor premise, and a conclusion, each of which may be categorized by their statements.