Interpret the regression line in the figure below. The figure plots the relationship between number of dependents and annual healthcare expenditures (in $1000s). In your response, describe what is the independent variable, dependent variable, the slope of the linear model, and what the slope means. Scatterplot 10 y = 1.3x + 2.4 Y: Annual Healthcare Cost $1,000 . . y = 5 O O 3 4 5 6 X: Number of Dependents