Research on Augmented Reality College English Listening and Speaking Teaching Mode Supported by Wearable Technology

Table 5

T-test for equal means.

		t	df	Sng	Mean error	Standard error difference	95% difference confidence interval
							Lower limit	Upper limit
Pretest score	Assuming equal variances	−0.245	59	0.745	−0.4416	1.4852	−3.145	2.345
	Assuming that the variances are not equal	−0.236	53.124	0.745	−0.4416	1.4852	−3.145	2.345