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The following table presents monthly seasonal indexes for the cost of a bushel of grapefruits in a certain county in Florida. January February March April
- The following table presents monthly seasonal indexes for the cost of a bushel of grapefruits in a certain county in Florida.
| January | February | March | April | May | June |
| 0.90 | 0.87 | 0.95 | 0.93 | 1.00 | 1.04 |
| July | August | September | October | November | December |
| 1.05 | 1.10 | 1.12 | 1.02 | 1.03 | 0.99 |
- Interpret the seasonal index for September. (2 marks)
- From the original historical data (1999 - 2003) a trend line of TRt = $5.50 + $0.23t, where t = 1 to 60, was calculated. Assuming a multiplicative seasonal model forecast the cost of a bushel of grapefruits for each of the first six months of 2004. (6 marks)
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Geometry And Analysis Of Fractals Hong Kong, December 2012
Authors: De Jun Feng, Ka Sing Lau
1st Edition
3662439204, 9783662439203
