Solve the Problem. -In a Certain Town, 22% of Voters Favor a Given

question 149

Multiple Choice

Solve the problem.
-In a certain town, 22% of voters favor a given ballot measure. For groups of 21 voters, find the variance for the number who favor the measure.

• A) 1.9
• B) 13
• C) 4.6
• D) 3.6

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Definitions:

Independent Variables

Variables in a statistical model that are manipulated or changed to observe their effect on dependent variables.

Coefficient of Determination

A measure used in statistical modeling that indicates how well data points fit a line or curve. It is represented as a value between 0 and 1.

Dependent Variable

A variable in statistical modeling whose value is influenced by other variables.

Independent Variable

The variable in an experiment that is manipulated or changed to explore its effects on the dependent variable.