The OLS regression of Garment Embroidery total costs on the number of machine hours and the number of operator hours. The estimated coefficient on the machine hours is 10 with a p-value less than 0.01. The estimated coefficient on the operator hour is 30 with a p-value equal 0.40. What is the estimated cost for an order that requires 100 machine hours and 50 operator hours?

Q: Find the regression line of the points: (12.7, 18.7),   (9.1, 17.2),   (15.3, 14.5),   (19.5, 12.9)

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