Generalized Chain Regression-cum-Chain Ratio Estimator for Population Mean under Stratified Extreme-cum-Median Ranked Set Sampling

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Variable</td><td class="align_center" rowspan="2">Distribution</td><td class="align_center" colspan="3">Parameters</td></tr><tr class="thead"><td class="align_center">Shape</td><td class="align_center">Scale</td><td class="align_center">Location</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Wages</td><td class="align_center">Gamma</td><td class="align_center">3.332</td><td class="align_center">177.320</td><td class="align_center">−12.628</td></tr><tr><td class="align_left">Education</td><td class="align_center">Gamma</td><td class="align_center">210.170</td><td class="align_center">0.182</td><td class="align_center">−25.284</td></tr><tr><td class="align_left">Experience</td><td class="align_center">Weibull</td><td class="align_center">1.482</td><td class="align_center">21.873</td><td class="align_center">−1.499</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Probability distributions of variables with parametric values.</div>

Mathematical Problems in Engineering

tab10

Table 10

Table 10: Generalized Chain Regression-cum-Chain Ratio Estimator for Population Mean under Stratified Extreme-cum-Median Ranked Set Sampling 