Odessa, Inc. manufactures one model of computer desk. The following data are available regarding units shipped and total shipping costs:

Required:
1. Prepare a scatter graph of Odessa’s shipping cost and draw the line you believe best fits the data.
2. Based on this graph, estimate Odessa’s total fixed shipping costs per month.
3. Using the high-low method, calculate Odessa’s total fixed shipping costs and variable ship-ping cost per unit.
4. Perform a least-squares regression analysis on Odessa’s data.
5. Using the regression output, create a linear equation (y = a + bx) for estimating Odessa’s shippingcosts.

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Number of Units Shipped 75 60 40 20 70 80 50 Month Total Shipping Cost January February March April May June July $3,250 2,300 1,700 1,200 2,300 2,700 2,000