Table 13.

Coefficient of regression of the linear model per day based on Eq. (1) and daily change.

Day	Unstandardized coefficient B	Standard Error	Sign.	R2	Δ = Bi − B(i − 1)
17th March, 2020	1.526	0.250	0.001	0.400
19	1.362	0.238	0.001	0.370	−0.1640
21	1.360	0.234	0.001	0.377	−0.0020
22	1.340	0.232	0.001	0.375	−0.0200
23	1.322	0.231	0.001	0.370	−0.0180
24	1.320	0.228	0.001	0.376	−0.0020
25	1.285	0.227	0.001	0.364	−0.0350
26	1.287	0.223	0.001	0.375	+0.0020
27	1.291	0.221	0.001	0.380	+0.0040
28	1.289	0.202	0.001	0.424	−0.0020
29	1.246	0.216	0.001	0.375	−0.0430
30	1.236	0.209	0.001	0.386	−0.0100
31	1.143	0.198	0.001	0.375	−0.0930
1st April, 2020	1.162	0.201	0.001	0.376	+0.0190
2	1.129	0.196	0.001	0.373	−0.0330
3	1.127	0.194	0.001	0.377	−0.0020
4	1.076	0.194	0.001	0.355	−0.0510
5	0.982	0.192	0.001	0.317	−0.0940
6	1.074	0.191	0.001	0.361	+0.0920
7	1.077	0.195	0.001	35.300	+0.0030
				Arithmetic mean Δ = δ=	−0.0236