Consider a population of 70 individuals, for which you wish to estimate the mean annual income, μ. Assume that you have decided to use the following estimation procedure to make your estimate: simple ...
It’s in vogue these days to declare the building blocks of statistical inference irrelevant to assessing the performance of schools. For example, Joel Klein recently argued that statistical ...
For each individual in a finite population a recorded value is available. A small proportion of the values is in error, all the errors being of the same sign and the ...
1. Sampling error in annual estimates of population size creates two widely recognized problems for the analysis of population growth. First, if sampling error is ...
A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Academic survey researchers tend to differ ...
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HOLLIDAYSBURG — High levels of lead recently found in samples of drinking water in some homes and buildings in Hollidaysburg Borough were the result of a sampling error, according to Rick Pope, ...
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