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In the course of your analysis of the maintenance cost for 3 levels of activity (months) using the least squares method, you came up with
In the course of your analysis of the maintenance cost for 3 levels of activity (months) using the "least squares method", you came up with the following summations: Sum of hours 690 Sum of costs 2,625 Sum of hours x cost 607,250 Sum of hours squared 160,100 What would be the estimated maintenance cost at a normal capacity of 400 hours per month
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