Table 3.

Summary of real and predicted data for the cumulative confirmed cases in the USA from April 6, 2020, to April 20, 2020

Data	Cumulative confirmed cases		Relative error (%)
	Reported	Predicted
6, April	366,667	370,997	1.18
7, April	397,505	404,778	1.83
8, April	429,052	438,986	2.32
9, April	462,780	473,397	2.29
10, April	496,535	507,790	2.27
11, April	526,396	541,952	2.96
12, April	555,313	575,680	3.67
13, April	580,619	608,786	4.85
14, April	607,670	641,099	5.5
15, April	636,350	672,464	5.68
16, April	667,592	702,748	5.27
17, April	699,706	731,837	4.59
18, April	732,197	759,637	3.75
19, April	759,086	786,076	3.56
20, April	784,326	811,103	3.41
Average			3.54