Appendix 3
| Characteristics | Lake Ontario | Lake Erie | Lake St. Clair | Lake Huron | Lake Superior | St. Lawrence River | Great Lakes |
|---|---|---|---|---|---|---|---|
| Sample size | 389 | 429 | 229 | 842 | 126 | 108 | 1,912 |
| Days fished | 10.5% | 5.9% | 8.2% | 5.4% | 9.4% | 13.1% | 3.5% |
| Total fish caught | 20.7% | 11.9% | 10.5% | 7.2% | 18.4% | 23.6% | 5.8% |
| Total fish kept | 14.0% | 12.8% | 13.8% | 9.9% | 39.6% | 30.6% | 6.4% |
| Direct expenses | 7.1% | 6.8% | 8.9% | 4.5% | 15.4% | 11.6% | 3.0% |
| Total investments | 26.1% | 24.8% | 30.0% | 15.1% | 32.2% | 36.4% | 10.7% |
| Total attributable investments | 26.5% | 34.1% | 28.9% | 16.8% | 37.8% | 36.1% | 11.7% |
1The coefficient of variation of the mean is used as a crude measure of reliability because it is not possible to calculate exact variability in the data. 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.
| Coefficient of variation less than 16.5%: | - estimates can be used without condition. |
| Coefficient of variation lgreater than 16.5% and less than 33.5%: | - estimates should be used with caution. |
| Coefficient of variation lgreater than 33.5%: | - estimates should be used with extreme caution. |
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