Question ANSWER State the variable you chose and explain [Provide one or two sentences that explain why you think your varlahle is a good predictor of sales index why you chose it. Make sure to clearly state W'lllCl'l varlable you chose] Run the residual [Insert the relevant Visualization for this portion of the [Explain whether the visualization indicates analysis to residual analysis] whether the assumption of linearity is determine if the appropriate] assumptions oi regression are valid for this model. Independence [Insert the relevant Visualization for this portion of the [Explain whether the visualization indicates residual analysis] whether the assumption of independence is appropriate] [Insert the relevant visualization for this portion of the [Explain whether the visualization indicates residual analysis] whether the assumption of normality is appropriate] Equal variance [Insert the relevant visualization for this portion of the [Explain whether the visualization indicates residual analysis] whether the assumption of equal variance is appropriate] Build the Is linear regression [Insert the scatterplot] [Find and interpret the rvalue. ] regression model. appropriate? Build the model. [State the regression equation. Include for what values of X the equation is valid.] Hypothesis test for m [Beta symbol if you need it: [3]