You Generally Exercise on Weekends and Eat a Low-Fat Diet

question 5

Multiple Choice

You generally exercise on weekends and eat a low-fat diet. However, on Super Bowl Sunday, you overeat, overdrink, and sit on the couch watching the TV. This is an example of

• A)psychological factors and eating behavior.
• B)the effect of foods like pizza on the brain.
• C)inactivity increasing hunger.
• D)a possible eating disorder.

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Definitions:

Least Squares Estimate

A mathematical method used to determine the best-fitting line or curve to a set of data points by minimizing the sum of the squares of the differences between the observed values and the values provided by the model.

Intercept

In regression analysis, the point where the line of best fit intersects the y-axis, indicating the expected value of the dependent variable when all independent variables are zero.

Dependent Variable

In an experiment or model, it is the variable being tested and measured, which is expected to change as a result of manipulations of the independent variable(s).

Independent Variable

A variable in an experiment or model that is manipulated to determine its effect on a dependent variable.