Review on Intelligent Governance of Physical Fitness of College Students under the Background of Big Data

Table 2

Performance and grade ratio of girls’ 50 m race.

Level	Grade
	One	Two	Three	Four
Excellent	294	266	10	18
	3.52%	2.49%	0.27%	0.35%
Good	988	1462	242	136
	11.84%	13.60%	6.42%	2.61%
Pass	6616	8466	3436	4482
	79.25%	78.78%	91.19%	86.26%
Fail	450	552	80	560
	5.39%	5.13%	2.12%	10.78%
	u1 : 0.00000	u2 : 0.00000	u3 : 0.00000	—

(Note. u1 is the comparison between senior and freshman, u2 is the comparison between senior and sophomore, u3 is the comparison between senior and junior; indicates a significant difference, while indicates a very significant difference. The same below).