(Least squares) Huppernan Supply has gathered the following data on the number of shipments received and the cost of receiving reports for the first seven weeks of 2007.

a. Using the least squares method, develop the equation for predicting weekly receiving report costs based on the number of shipments re¬ ceived.

b. What is the predicted amount of receiving report costs for a month (as¬ sume a month is exactly four weeks) in which 340 shipments are received.''LO1.

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Number of Shipments Received Cost of Receiving Reports 100 $175 87 162 80 154 70 142 105 185 115 200 120 202