Design of an Automatic English Pronunciation Error Correction System Based on Radio Magnetic Pronunciation Recording Devices

Table 1

Descriptive analysis of the results of scoring speech assessment techniques.

Level	Numerical	Minimal values	Maximum value	Average	Variance
Primary	200	0.01	1.50	0.075	0.243
Intermediate	210	0.05	1.00	0.050	0.233
Advanced	230	1.00	2.00	1.500	0.253