Table 3.

Description of the experimental data.

S/N	Description statistics	Drying time	Drying temperature	Pre-treatment	Moisture ratio
1	Mean	123.5249	59.4509	4.4588	0.3931
2	Standard error	7.7200	0.5141	0.2428	0.0204
3	Median	86.9820	60	5	0.3240
4	Mode	0	50	0	1
5	Standard Deviation	123.2785	8.2105	3.8787	0.3259
6	Sample Variance	15,197.6076	67.4139	15.0445	0.1062
7	Kurtosis	0.4528	− 1.5098	− 1.3072	− 1.1870
8	Skewness	1.0760	0.1021	0.3299	0.4425
9	Range	529.4370	20	10	0.9930
10	Minimum	0	50	0	0.0070
11	Maximum	529.4370	70	10	1
12	Sum	31,498.8510	15,160	1137	100.2550
13	Count	255	255	255	255