For some reason the quality of production decreases as the year progresses at a light bulb manufacturing plant. The following data represent the percentage of defective light bulbs produced at a light bulb manufacturing plant in the corresponding month of the year: month (x) 5 defective (y) 1.3 1.6 2.0 2.4 Use the equation of the least squares line to predict in which month the percentage of defective light bulbs would be 1.83%. 2 3 7 8 2.6 9 2.8

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