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Data Visualizationmedium
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A scatter plot displays customer age (x-axis) versus annual spending (y-axis) for 40 customers, with points colored by membership tier: Gold (12 points, mean age 55, mean spending 2,500),Silver(18points),Bronze(10points,meanage25,meanspending2,500), Silver (18 points), Bronze (10 points, mean age 25, mean spending 2,500),Silver(18points),Bronze(10points,meanage25,meanspending400). Within each tier, r>0.75r > 0.75r>0.75. When fitting a single regression line to all 40 points, the slope will likely be: