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Number of Certified Organic Farms in the U.S., 2001-2008 Year Spending 2001 5,153 2002 5,454 2003...

Number of Certified Organic Farms in the U.S., 2001-2008
Year Spending
2001 5,153
2002 5,454
2003 6,178
2004 6,150
2005 6,598
2006 7,486
2007 9,248
2008 11,043

Number of Certified Organic Farms
in the United States, 2001–2008
Year Farms
2001 5,153
2002 5,454
2003 6,178
2004 6,150
2005 6,598
2006 7,486
2007 9,248
2008 11,043

(a) Use Excel, MegaStat, or MINITAB to fit three trends (linear, quadratic, exponential) to the time series. (A negative value should be indicated by a minus sign. Do not round the intermediate calculations. Round your final answers to 2 decimal places.)

Linear yt =  xt +
  Quadratic yt =  xt2 +  xt +
  Exponential yt =  e x

(b) Use each of the three fitted trend equations to make numerical forecasts for the next 3 years. (Round the intermediate calculations to 2 decimal places and round your final answers to 1 decimal place.)

t Linear Exponential Quadratic
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math   Statistics-And-Probability   
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Answer #1

Linear Trend Model ะ 3705 + 763-t lime Fadms Trend geot 51:53 E+473.25 2002 54545241.96 12 olt 2003 6173 6010-C2 00 6150 .39 629-39 200s 6598 20067486 2007 9248 goBS, S4 o8 143 8425 Dehend 6f 32 7548 14 8316.82 86-82 162 46 1188.75 adratic Tsend Model: 5789-482xt +438.9xt lime farms Trend Detrend 54458 206 GAGL 53 809 5593.9 001 153 -292 833 78 09S 584 143 20036178 12.004 6156 6084.7 65. 340 200 S 6598 66 534 -25S. 2006子1186 eo9248 2003 79 o o 224.5 23 52 216. I 11643 10826.8

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