Research Article

Estimates of Inequality Indices Based on Simple Random, Ranked Set, and Systematic Sampling

Table 14

Relative efficiency of absolute Lorenz index for rectangular ( ) distribution.

MSE (RSS)MSE (SRS)MSE (SYS)

230.00188810.0020996990.001057511.112071.985512 1.785420
40.0012397550.0015710810.00047863961.2672513.282388 2.590164
50.00087493660.001232462 0.00024042511.4086305.126179 3.639123
60.00067679880.0010439560.00014126331.5424917.390143 4.791045
530.00074261040.0008127530.00042139691.0944541.928711 1.762259
40.00050234060.00062757180.00018265941.2492953.435749 2.750149
50.00035833380.0005023294 1.4018485.161965 3.682258
60.00027221830.0004232076 1.5546627.621384 4.902275
2030.00019003590.0002072712 1.0906951.942699 1.781157
40.00012705300.0001569948 1.2356643.484338 2.819811
5 0.0001217164 1.3203455.043047 3.819492
6 0.0001039845 1.4965217.259515 4.850928
1003 1.0843391.907901 1.759507
4 1.2419903.295177 2.653143
5 1.3736095.088021 3.704128
6 1.5349907.1683884.669990
2003 1.1080771.966270 1.774490
4 1.2219113.328998 2.724419
5 1.3676355.065401 3.703768
6 1.5842467.512110 4.741755
5003 1.1066211.976053 1.785665
4 1.2811393.418179 2.668078
5 1.3849235.078039 3.666657
6 1.5865697.4129734.672330