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Multi stage Sampling: This is a further development of cluster sampling. This techniques is meant for big inquiries extending to a considerably large l geographical area like an entire country. The first stage is to select large primary sampling units such as states then districts then towns and finally certain families within towns.If the techniques of random sampling are applied at all stages the sampling procedure is described as multistage random sampling.
A study of a new anti-depressant drug took a sample of 10 individuals with high depression screening measures (DSM) and gave them the drug for three months. At the end of the thre
The screening test for the hep-c virus works by detecting the presence of antibodies to the virus. However, some non-HCV proteins can trigger a false positive, at a probability of
a) The US Food and Drug Administration has veto power over the choice of drug names. In 2004, it used this power regularly, rejecting 36% of the names proposed by companies for re
why is net profit always greater in absorption costing than in direct costing?
find quartile deviation from the student test marks of your own
Least square method
select and list five items used to sample the domain in childhood obesity
The dataset also contains a variable y , which is the dependent variable of interest, as well as x1 , x2 , x3 , x4 , x5 , and x6 , all explanatory variables that are potentially
V ariance A measure of dispersion the variance represents the average distance from any given observation in a series to the mean of that series in the units squared.
explain the characteristics of statistics
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