2. As her children got older, Ms. A's child care expenses (in thousands of dollars per year) increase.

a. State the dependent variable and explain your choice. [1C]

b. make scatter plot of these data. Label all axes and show the scale. Circle the outlier. Draw the scatterplot below or copy and paste a screen capture from Desmos, google sheets, Excel or the program you are using. [3C]

c. Determine the correlation coefficient and the line of best fit. [2A]

r = ___________

Equation of the Line of best fit: _______

d. Determine the correlation coefficient and the line of best fit with any outliers removed. [2A]

r = ___________

Equation of the Line of best fit: _______

e. Use both models to predict Ms. A's expenses in the 17th year. [2A]

Model c: ___________

Model d: ___________

f. Use both models to predict the year (to the nearest hundredth) in which Ms' A's expenses will reach $50000 [2A]

Model c: ___________

Model d: ___________

g. Is your line accurate? Use technology to generate a different type of model:exponential, or quadratic with the outlier removed. State the new model below. Which regression model is more accurate? Explain. [2A, 2C]