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A regional planner is studying the demographics in a region of a particular state
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A regional planner is studying the demographics in a region of a particular state. She has gathered the following data on nine counties. County Income Age Coastal A 48157 57.7 1 B 48568 60.7 1 C 46816 47.9 1 D 34876 38.4 0 E 35478 42.8 0 F 34465 35.4 0 G 35026 39.5 0 H 38599 65.6 0 J 33315 27.0 0 a) Is there a linear relationship between the median income and median age? b) Which variable is the "dependent" variable? c) Use statistical software to determine the regression equation. Interpret the value of the slope in a simple regression equation. d) Include the aspect that the county is "coastal" or not in a multiple linear regression analysis using a "dummy" variable.
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A regional planner is studying the demographics in a region of a particular state. She has gathered the following data on nine counties. County Income Age Coastal A 4815...
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