Research Article
[Retracted] Evaluation of Physical Education Teaching Effect Based on Big Data
Table 4
Statistical Table of distribution and recovery (Nā=ā22).
| The questionnaire items | Number of the distributed questionnaires | Number of the collected questionnaires | The recovery rate (%) | Number of valid questionnaires | Valid rate (%) |
| The first round | 22 | 22 | 100 | 22 | 100 | The second round | 22 | 22 | 90.92 | 22 | 100 |
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