[Retracted] Automatic Scoring of English Essays Based on Machine Learning Technology in a Wireless Network Environment

Table 9

FCE training and test sets.

Category	Training set	Test set
Type of learner’s mother tongue	16	14
Type of essay topic	28	4
Number of essays	1141	97
Number of words in essay	878767	75550
Average score	27.81	27.46
Median score	28	26
Lowest score	0	13
Highest score	40	40
Standard deviation	5.49	5.94