Conducting a survey or a poll seems straightforward enough at first pass. Say, for example, you want to know the percentage of people in a population who like peanut butter and jelly sandwiches. You ...

The proportion of normal cells, especially immune cells, intermixed with cancerous cells in a given tissue sample may significantly skew the results of genetic analyses and other tests performed both ...

Statistics are often estimated from a sample rather than from the entire population. If the inclusion probability of the sample is unknown to the researcher, that is, a nonprobability sample, naively ...

Tyler Cowen points today to a wonky but interesting new paper about publication bias. This is a problem endemic to virtually all scientific research that’s based on statistical analysis. Basically, ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 44, No. 2 (1995), pp. 173-194 (22 pages) General population surveys in Britain tend to use either the electoral registers ...

A new study by UC San Francisco scientists shows that the proportion of normal cells, especially immune cells, intermixed with cancerous cells in a given tissue sample may significantly skew the ...