In Constructing a 95 Percent Confidence Interval, If You Increase

question 70

Multiple Choice

In constructing a 95 percent confidence interval, if you increase n to 4n, the width of your confidence interval will be (assuming other things remain the same) :

• A)about 25 percent of its former width.
• B)about two times wider.
• C)about 50 percent of its former width.
• D)about four times wider.

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Definitions:

Catalysts Function

The role performed by substances that speed up chemical reactions without themselves being consumed or altered permanently.

Collisions

Events where two or more bodies exert forces on each other for a relatively short time, often changing their motion due to the impact.

Heterogeneous

A mixture composed of components that are not uniformly distributed or that have localized concentrations.

Homogeneous

Describes a mixture or material that has a uniform composition and properties throughout.