Use the equation of least squares line to predict percentage

Reference no: EM1320685

Question: For some reason the quality of production decreases as the year progresses at a light bulb manufacturing plant. The given data represent the percentage of defective light bulbs produced at a light bulb manufacturing plant in the corresponding month of the year.

Month (x) 2 3 5 7 8 9 12

% Defective (y) 1.3 1.6 2.0 2.4 2.6 2.8 3.1

Apply the equation of the least squares line to predict the % of defective bulbs in June.

[A] 2.15%

[B] 2.20%

[C] 2.3%

[D] 2.0%

Reference no: EM1320685

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