The data in Table P-14 are weekly automobile accident counts for the years 2006 and 2007 in Havana County. Determine the appropriate ARIMA model, and forecast accidents for the 91st week. Comment on the accuracy of your forecast.

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rma-73 40 2 3 6 8 4 40 12 82 80 70 55 37 23 20 39 71 110 112 93 75 60 63 46 32 23 53 90 7 5.3 2 2 37-19 7 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ema- 16 17 21 28 30 51 62 57 46 40 32 23 20 18 24 33 66 78 83 87 64 44 24 29 73 38 34 33 34 3 3 3 3 3 0 424 44 4 4 4 4 4 5 5 5 5 5 5 5 5 5 59 60 man-101 84 54 39 26 40 99 48 47 34 06 83 76 63 57 37 32 22 20 23 30 50 61 59 64 58 44 26 24 18 | 1 2 3 4 5 6 7 8 9 a 1 2 3 4 5 6 7 8 9 20 21 22 23 24 25 26 27 28 29 30