Research Article

Ordered Variables and Their Concomitants under Extropy via COVID-19 Data Application

Table 1

Mean and variance of the empirical residual extropy of concomitants of order statistics, .

distribution distribution
The first estimatorThe second estimatorThe first estimatorThe second estimator

103−0.10420.0019−0.10430.0013−0.17040.0047−0.20090.0057
5−0.12410.0024−0.13030.0019−0.21320.0065−0.25280.0084
8−0.15880.0035−0.175070.0035−0.29040.0108−0.34630.0145

3010−0.13170.00109−0.133010.000998−0.19770.0019−0.20890.0019
15−0.15120.001319−0.15440.00125−0.23730.0025−0.25520.0027
25−0.19660.00193−0.20390.00197−0.33330.00447−0.36630.0051

5015−0.13340.000702−0.134060.000667−0.19460.00116−0.200080.001106
25−0.15720.00086−0.159060.00085−0.24230.0015−0.25390.0016
40−0.199060.001219−0.20260.00123−0.32940.0026−0.35140.0028

7020−0.13410.000515−0.13430.00049−0.19330.00082−0.19640.00078
35−0.15980.00064−0.16090.00063−0.24450.00115−0.25260.00116
60−0.21110.00096−0.21370.00097−0.35110.00208−0.36850.0022

10020−0.12650.00034−0.12590.00032−0.17670.00051−0.17760.00048
50−0.16180.00046−0.16230.00045−0.24610.000814−0.25160.000819
90−0.22060.00073−0.22260.00073−0.368090.00158−0.38070.0016