Social Media Marketing Optimization Method Based on Deep Neural Network and Evolutionary Algorithm

Table 4

Regression linear equation and calculation table of estimated standard error.

	Sales x	Total cost y
	1.2	3.5	1.44	4.2	3.26	0.24
	1.3	3.6	1.69	4.68	3.4	0.2
	1.5	3.8	2.25	5.7	3.68	0.12
	1.6	3.7	2.56	5.92	3.82	−0.12
	1.8	3.9	3.24	7.02	4.09	−0.19
	1.9	4	3.61	7.6	4.23	−0.23
	2.1	4.2	4.41	8.82	4.51	−0.31
	2.2	4.4	4.84	9.68	4.65	−0.25
	2.5	5.3	6.25	13.25	5.07	0.23
	2.8	5.8	7.84	16.24	5.49	0.31
Total	18.9	42.2	38.13	83.11	42.2	0