Exact(7)
In this paper we consider variance estimation for population totals and ratios in complex, cross-stratified surveys in which the ultimate sampling weights are random variables, dependent on the first phase of sampling.
To determine trypanosomiasis prevalence at 95% confidence, a longitudinal two-stage stratified cluster sampling design was used where randomly selected cattle were the ultimate sampling unit and villages were clusters.
The ultimate sampling units were persons selected by systematic sampling from these 80 health centre districts.
Within each household eligible individuals selected for the survey represented the ultimate sampling unit.
The 80 health care districts were the primary sampling units, and the ultimate sampling units were persons who were selected by systematic sampling from the health centre districts.
The ultimate sampling units were persons who were selected by systematic sampling from the health centre districts.
Similar(53)
I'm the ultimate sampler, but I don't sit and eat a lot.
The ultimate sample consists of pure SnO2.
This allows them of to offer a range of better than usual wines by the glass, all perfectly stored, and accessed self-serve with a debit card for the ultimate custom sampling experience.
After drying out samples were dissolved in the reconstitutional buffer and loaded to the Ultimate 3000 sampler for analysis.
So the ultimate anticipatory sample size was determined to be 4500 and the number of cluster nc was approximately 56.
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