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The following regression model shows the relationship between selling price of a house [y] and the number of bedrooms [x]; y\"=100+0.6 x. Another separate regression model shows the relationship between selling price of house [y] and the level of the crime per week in the neighborhood [x]; y"=100-0.3 x. a. Draw the regression line for the first and second regression. b. Write an interpretation for the slope coefficient in the first and second regression. Be specific