Research Article
Inference on a New Lifetime Distribution under Progressive Type II Censoring for a Parallel-Series Structure
Table 4
ML and M estimates of
, , and
with their MSEs, RABs, MMSE, and MRAB based on 5000 simulations. Population parameter values are
, , and
.
| | MLE | ME | | MSE | RAB | MMSE | | MSE | RAB | MMSE | | MSE | RAB | MRAB | | MSE | RAB | MRAB | | | CS | | MSE | RAB | | | MSE | RAB | |
| 25 | 15 | 1 | 4.4880 | 4.0099 | 0.3820 | 2.0052 | 3.7856 | 5.5707 | 0.4311 | 5.4257 | 4.2135 | 1.7027 | 0.2206 | 0.2950 | 1.7172 | 7.0330 | 0.6139 | 0.6563 | 1.5684 | 0.3031 | 0.2825 | | 2.8680 | 3.6736 | 0.9240 | | 2 | 4.4683 | 4.2749 | 0.3922 | 2.0734 | 4.0441 | 4.9030 | 0.4390 | 4.5112 | 4.2713 | 1.6678 | 0.2252 | 0.2953 | 2.2982 | 5.6220 | 0.5256 | 0.5902 | 1.5267 | 0.2776 | 0.2685 | | 2.6678 | 3.0086 | 0.8061 | | 3 | 4.5508 | 4.1540 | 0.3845 | 2.0262 | 3.8039 | 5.9571 | 0.4854 | 5.2455 | 4.1972 | 1.5927 | 0.2192 | 0.2982 | 1.9483 | 6.8558 | 0.6093 | 0.6368 | 1.5934 | 0.3318 | 0.2908 | | 2.6865 | 2.9236 | 0.8157 | | 4 | 4.5078 | 4.1658 | 0.3868 | 2.0032 | 4.4974 | 9.1003 | 0.5329 | 6.4233 | 4.1923 | 1.5320 | 0.2171 | 0.2960 | 1.9950 | 6.3103 | 0.5592 | 0.6807 | 1.5723 | 0.3117 | 0.2840 | | 2.9084 | 3.8593 | 0.9500 | | 20 | 1 | 4.4747 | 3.9587 | 0.3763 | 2.0006 | 3.7620 | 4.5589 | 0.4111 | 4.0868 | 4.2838 | 1.7601 | 0.2350 | 0.2946 | 2.1579 | 4.9121 | 0.4830 | 0.5424 | 1.5406 | 0.2831 | 0.2724 | | 2.5663 | 2.7893 | 0.7332 | | 2 | 4.4206 | 3.7027 | 0.3644 | 1.9083 | 3.5770 | 4.0648 | 0.4008 | 3.6891 | 4.2969 | 1.7528 | 0.2340 | 0.2877 | 2.1758 | 4.8170 | 0.4819 | 0.5192 | 1.5139 | 0.2694 | 0.2648 | | 2.4660 | 2.1854 | 0.6751 | | 3 | 4.5069 | 3.9603 | 0.3743 | 1.9984 | 3.9556 | 6.9133 | 0.4834 | 5.0598 | 4.3009 | 1.7607 | 0.2324 | 0.2915 | 2.0338 | 5.5173 | 0.5235 | 0.5833 | 1.5296 | 0.2741 | 0.2679 | | 2.5805 | 2.7488 | 0.7428 | | 4 | 4.5106 | 3.9751 | 0.3756 | 1.9693 | 3.8776 | 6.2540 | 0.4743 | 4.9159 | 4.2642 | 1.6679 | 0.2303 | 0.2901 | 2.0042 | 5.5938 | 0.5255 | 0.5883 | 1.5435 | 0.2650 | 0.2644 | | 2.6154 | 2.8999 | 0.7649 | | 25 | — | 4.4320 | 3.6128 | 0.3584 | 1.9000 | 3.7933 | 5.2457 | 0.442 | 3.6996 | 4.3522 | 1.8298 | 0.2429 | 0.2878 | 2.4837 | 3.9823 | 0.4186 | 0.4827 | 1.4997 | 0.2574 | 0.2621 | | 2.3169 | 1.8708 | 0.5874 | |
| 50 | 30 | 1 | 4.2797 | 2.3832 | 0.2897 | 1.4005 | 3.2276 | 2.4115 | 0.3191 | 2.8905 | 4.2911 | 1.5536 | 0.2228 | 0.2585 | 2.1191 | 4.7406 | 0.4803 | 0.4592 | 1.5210 | 0.2646 | 0.2629 | | 2.3080 | 1.5195 | 0.5783 | | 2 | 4.2262 | 2.3459 | 0.2909 | 1.4124 | 3.5641 | 4.2177 | 0.4038 | 3.3436 | 4.3059 | 1.6422 | 0.2301 | 0.2595 | 2.4131 | 4.0116 | 0.4301 | 0.4677 | 1.5004 | 0.2490 | 0.2576 | | 2.2752 | 1.8015 | 0.5692 | | 3 | 4.2754 | 2.3806 | 0.2858 | 1.4292 | 2.8691 | 2.9306 | 0.3594 | 3.1818 | 4.3016 | 1.6340 | 0.2290 | 0.2601 | 2.1157 | 5.0001 | 0.4925 | 0.4724 | 1.5232 | 0.2731 | 0.2655 | | 2.2889 | 1.6147 | 0.5654 | | 4 | 4.2922 | 2.5213 | 0.2959 | 1.4527 | 3.2683 | 4.5953 | 0.4184 | 3.5313 | 4.2638 | 1.5854 | 0.2264 | 0.2599 | 2.1790 | 4.5737 | 0.4676 | 0.4736 | 1.5247 | 0.2515 | 0.2573 | | 2.2463 | 1.4249 | 0.5348 | | 40 | 1 | 4.2097 | 2.0664 | 0.2715 | 1.3102 | 3.7420 | 4.0931 | 0.3829 | 3.1515 | 4.3314 | 1.6268 | 0.2345 | 0.2531 | 2.4818 | 3.9559 | 0.4231 | 0.4502 | 1.4866 | 0.2374 | 0.2532 | | 2.2267 | 1.4056 | 0.5447 | | 2 | 4.2036 | 2.2132 | 0.2794 | 1.3507 | 4.8363 | 7.7696 | 0.5400 | 3.9701 | 4.3227 | 1.5991 | 0.2338 | 0.2555 | 2.9342 | 3.0713 | 0.3647 | 0.4682 | 1.4841 | 0.2397 | 0.2534 | | 2.1884 | 1.0693 | 0.4997 | | 3 | 4.2456 | 2.1781 | 0.2767 | 1.3533 | 3.9856 | 4.5764 | 0.4292 | 3.6425 | 4.3459 | 1.6397 | 0.2350 | 0.2547 | 2.2268 | 4.5080 | 0.4695 | 0.5280 | 1.4944 | 0.2420 | 0.2525 | | 2.4627 | 1.8430 | 0.6853 | | 4 | 4.1935 | 2.1201 | 0.2747 | 1.3267 | 4.4829 | 6.1933 | 0.4772 | 3.8678 | 4.3382 | 1.6128 | 0.2339 | 0.2557 | 2.4408 | 3.8008 | 0.4204 | 0.5052 | 1.4867 | 0.2472 | 0.2585 | | 2.3681 | 1.6091 | 0.6179 | | 50 | — | 4.1714 | 1.8511 | 0.2543 | 1.2189 | 2.3396 | 3.5492 | 0.4256 | 1.7983 | 4.3256 | 1.5803 | 0.2343 | 0.2451 | 3.2250 | 1.6318 | 0.2321 | 0.2965 | 1.4731 | 0.2254 | 0.2468 | | 1.8108 | 0.2139 | 0.2318 | | 100 | 60 | 1 | 4.0679 | 1.0237 | 0.1935 | 0.8853 | 4.2069 | 1.8942 | 0.2429 | 1.7737 | 4.3006 | 1.4184 | 0.2190 | 0.2177 | 2.9985 | 2.3610 | 0.2956 | 0.3455 | 1.4846 | 0.2139 | 0.2408 | | 2.1522 | 1.0658 | 0.4980 | | 2 | 4.0723 | 1.2257 | 0.2144 | 0.9897 | 3.6262 | 1.5438 | 0.1878 | 0.9533 | 4.3519 | 1.5280 | 0.2330 | 0.2305 | 4.0883 | 0.9290 | 0.1534 | 0.1950 | 1.4621 | 0.2155 | 0.2442 | | 1.8265 | 0.3872 | 0.2438 | | 3 | 4.0846 | 1.0849 | 0.2024 | 0.9121 | 4.1135 | 0.0657 | 0.0306 | 0.3085 | 4.2877 | 1.4374 | 0.2204 | 0.2207 | 4.1716 | 0.4981 | 0.0835 | 0.1068 | 1.4875 | 0.2139 | 0.2392 | | 1.8015 | 0.3616 | 0.2062 | | 4 | 4.0722 | 1.1576 | 0.2074 | 0.9439 | 3.9421 | 0.2701 | 0.0439 | 0.5029 | 4.2924 | 1.4558 | 0.2233 | 0.2237 | 4.3331 | 0.8608 | 0.1266 | 0.1121 | 1.4872 | 0.2182 | 0.2405 | | 1.7023 | 0.3779 | 0.1657 | | 80 | 1 | 4.0469 | 0.9291 | 0.1868 | 0.8844 | 3.4705 | 1.7272 | 0.2219 | 1.2650 | 4.3393 | 1.5213 | 0.2301 | 0.2184 | 4.3732 | 1.5375 | 0.1667 | 0.2234 | 1.4645 | 0.2027 | 0.2382 | | 1.8741 | 0.5303 | 0.2817 | | 2 | 4.0082 | 0.9902 | 0.1924 | 0.8988 | 4.1911 | 1.6957 | 0.2111 | 0.9800 | 4.3153 | 1.4993 | 0.2310 | 0.2206 | 4.6798 | 1.0861 | 0.1984 | 0.1935 | 1.4609 | 0.2070 | 0.2384 | | 1.7341 | 0.1582 | 0.1709 | | 3 | 4.0811 | 0.9167 | 0.1850 | 0.8528 | 4.0304 | 0.3209 | 0.0476 | 0.5693 | 4.3001 | 1.4320 | 0.2240 | 0.2152 | 4.7319 | 1.1710 | 0.1984 | 0.1256 | 1.4836 | 0.2097 | 0.2365 | | 1.6055 | 0.2160 | 0.1308 | | 4 | 4.0452 | 0.9568 | 0.1886 | 0.8791 | 3.7794 | 1.0120 | 0.1352 | 0.7997 | 4.3120 | 1.4746 | 0.2262 | 0.2175 | 4.5011 | 1.0398 | 0.1450 | 0.1532 | 1.4680 | 0.2059 | 0.2375 | | 1.7367 | 0.3474 | 0.1793 | | 100 | — | 4.0063 | 0.8184 | 0.1752 | 0.8269 | 3.2165 | 0.8785 | 0.2044 | 0.4700 | 4.3327 | 1.4665 | 0.2270 | 0.2115 | 4.5539 | 0.4004 | 0.1394 | 0.1611 | 1.4543 | 0.1957 | 0.2323 | | 1.7082 | 0.1312 | 0.1395 | |
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