A Recent National Survey Found That _____ Percent of U

question 134

Multiple Choice

A recent national survey found that _____ percent of U.S.20- to 39-year-olds were obese.

• A)19
• B)45
• C)27
• D)10

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Definitions:

Degrees Of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution, often relevant in the calculation of statistics like variance.

Standard Deviation

A quantification of how much spread or variability exists within a group of figures.

Simple Linear Regression

Simple linear regression is a method for predicting a quantitative outcome using a single explanatory variable, based on the linear relationship between them.

Least Squares

A method in statistics for approximating the solution of overdetermined systems, by minimizing the differences between the observed and predicted values.