Data Visualizationmedium
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A scatter plot shows 100 data points where x represents temperature (°C) and y represents ice cream sales (). The regression line has equation $$\hat{y} = 5 + 8x$$. If a day has temperature 20°C, the residual for actual sales of 175 is:
A scatter plot shows 100 data points where x represents temperature (°C) and y represents ice cream sales (). The regression line has equation $$\hat{y} = 5 + 8x$$. If a day has temperature 20°C, the residual for actual sales of 175 is: