[Retracted] A Study on the Integration of Business English Teaching and Intercultural Communication Skills Cultivation Model Based on Intelligent Algorithm

Table 4

T-test results of three business English classes before and after the test.

Before-after	Pairwise difference					t	df	Sig. (bilateral)
	Mean value	Standard deviation	Standard error of mean	95% confidence interval of difference
				Lower limit	Upper limit
Class one	−26.660	19.293	2.815	−32.326	−20.994	−9.471	46	0.000
Class two	−27.660	12.975	1.893	−31.469	−23.850	−14.614	46	0.000
Class three	−39.702	15.509	2.262	−44.256	−35.149	−17.550	46	0.000