Calculating Residuals

Front

What is a residual in statistics?

Back

A residual is the difference between the observed value and the predicted value in a regression analysis.

Front

How do you calculate a residual?

Back

Residual = Observed - Predicted

Front

Back

Substitute the value of x into the equation.

Front

Back

y = 4

Front

Back

It represents the distance (in miles) traveled given the time (in hours) driving.

Front

Back

Substitute h = 10 into the equation to find m.

Front

Back

617.51 miles

Front

What is the definition of a linear model?

Back

A linear model is a mathematical representation of the relationship between two variables that produces a straight line when graphed.

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the rate of change of the dependent variable with respect to the independent variable.

Front

Back

61.93 represents the miles traveled per hour.