A regional planner employed by a public university is studying the demographics of nine counties in the eastern region of an Atlantic seaboard state. She has gathered the following data: County Median Income Median Age Coastal A $48,157 57.7 1 B 48,568 60.7 1 C 46,816 47.9 1 D 34,876 38.4 E 35,478 42.8 e F 34,465 35.4 e G 35,026 39.5 e H 38,599 65.6 33,315 27.0 Click here for the Excel Data File a. Is there a linear relationship between the median income and median age? (Round your answer to 3 decimal places.) No The correlation of Income and Median Age is 0.180 sex my wor d. Include the aspect that the county is "coastal" or not in a multiple linear regression analysis using a "dummy variable. (Round your answers to the nearest whole number.) Income Median Age+ Coastal e. Test each of the individual coefficients to see if they are significant. (Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 2 decimal places.) Predictor Constant Median Age Coastal p-value < Prev 8 of 10 Next