Appendix 3
| Characteristics | Lake Ontario | Lake Erie | Lake St. Clair | Lake Huron | Lake Superior | St. Lawrence River | Great Lakes System |
|---|---|---|---|---|---|---|---|
| Sample Size | 601 | 506 | 244 | 892 | 289 | 127 | 2339 |
| Days of effort | 6.90% | 6.80% | 7.20% | 5.10% | 7.60% | 9.10% | 3.00% |
| Investments - Total | 26.20% | 35.60% | 53.10% | 17.30% | 22.00% | 43.50% | 11.30% |
| Investments - Attributed | 31.70% | 25.80% | 37.00% | 19.20% | 25.70% | 43.90% | 12.80% |
| Direct Expenditures | 7.70% | 7.70% | 10.30% | 5.30% | 8.40% | 10.70% | 3.40% |
| Accommodation | 13.40% | 16.70% | 20.90% | 12.10% | 19.40% | 19.10% | 7.20% |
| Campsite Fees | 16.60% | 24.10% | 34.40% | 13.70% | 27.20% | 26.80% | 8.90% |
| Food | 9.20% | 10.80% | 12.30% | 6.40% | 12.70% | 15.10% | 4.50% |
| Travel | 12.50% | 9.90% | 13.10% | 6.50% | 11.60% | 13.40% | 5.00% |
| Household Boat Costs | 17.30% | 16.30% | 21.50% | 11.30% | 18.50% | 19.80% | 7.30% |
| Boat Rentals | 26.00% | 20.70% | 28.10% | 15.20% | 27.40% | 40.10% | 11.00% |
| Fishing Supplies | 11.70% | 10.80% | 14.30% | 6.60% | 10.00% | 15.60% | 4.60% |
| Bait Costs | 10.80% | 9.90% | 13.10% | 6.20% | 9.30% | 15.70% | 4.20% |
| Guide Costs | 27.20% | 63.30% | 73.40% | 31.50% | 0.00% | 67.70% | 18.40% |
| Licence Fees | 5.40% | 7.50% | 8.50% | 4.70% | 10.40% | 14.70% | 3.00% |
| Other | 17.00% | 18.40% | 25.70% | 33.40% | 37.70% | 23.80% | 16.40% |
| Willingness to Pay | 13.70% | 9.10% | 12.20% | 7.40% | 14.00% | 16.20% | 5.20% |
* because it is not possible to calculate exact variability in the data, the coefficient of variation of the means is used as a crude measure of reliability. It is calculated as the standard error of the mean divided by the mean multiplied by 100. The table below can be used as a guide to the use of estimates based on the coefficient of variation.
| less than 16.5% | estimates can be used without condition |
| greater than 16.5% and less than 33.5% | estimates should be used with caution |
| greater than 33.5% | estimates should be used with EXTREME condition |
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