[Retracted] Construction and Analysis of Indicators of the Labor Education System Based on the Gray Correlation Degree Model

Table 4

Frequency of homework assignments.

	Never or hardly (%)	Once or twice a month (%)	Once or twice a week (%)	3 or 4 times a week (%)	Every day or almost every day (%)
City	13.12	32.2	21.3	14.8	18.7
County town	16.2	30.2	21.6	15.6	17.1
Rural township	17.9	31.2	21.2	15.3	14.7