The Constitution allows states to O print money. O raise an army in peacetime. O make commercial agreements with other stat without the consent of Congress. govern intrastate commerce. O govern interstate commerce.

Year Quarter Period Cost/Unit ($) 1 1 1 $20.00   2 2 $17.23   3 3 $13.39   4 4 $17.94 2 1 5 $20.29   2 6 $25.61   3 7 $22.62   4 8 $29.63 3 1 9 $23.87   2 10 $20.35   3 11 $26.32   4 12 $25.50 4 1 13 $20.90   2 14 $28.48   3 15 $32.65   4 16 $25.78 5 1 17 $28.90   2 18 $32.61   3 19 $28.66   4 20 $25.27 6 1 21 $25.80   2 22 $35.71   3 23 $27.26   4 24 $27.89 7 1 25 $28.50   2 26 $28.64   3 27 $32.52   4 28 $28.24 8 1 29 $37.95   2 30 $28.59   3 31 $37.07   4 32 $38.16 Use simple linear regression analysis to find the estimated parameters for the line that minimizes MSE for this time series. (Round your answers to two decimal places.) b0= b1=  (c) What is the average cost increase (in $) that the firm has been realizing per quarter? (Round your answer to two decimal places.) $   (d) Compute an estimate of the cost/unit (in $) for the next quarter. (Round your answer to two decimal places.) $

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15. What is the "calling population"?

Answer question 8