| Article ID: | iaor20041586 |
| Country: | China |
| Volume: | 32 |
| Issue: | 5 |
| Start Page Number: | 798 |
| End Page Number: | 804 |
| Publication Date: | Jan 2002 |
| Journal: | Mathematics in Practice and Theory |
| Authors: | Zhang Tianxue |
Based on statistics theory, we make two hypotheses for the