An Empirical Study on Innovation of College Blended Teaching under Big Data Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Questionnaire type</td><td class="align_center">Number of questionnaires distributed</td><td class="align_center">Number of valid questionnaires</td><td class="align_left">Effective recovery rate (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Teachers’ paper</td><td class="align_center">30</td><td class="align_center">27</td><td class="align_center">90</td></tr><tr><td class="align_left">Students’ paper</td><td class="align_center">450</td><td class="align_center">400</td><td class="align_center">88.9</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Sorting out indicators related to impact factors.</div>

Mathematical Problems in Engineering

tab2

Table 2

Table 2: An Empirical Study on Innovation of College Blended Teaching under Big Data Analysis 