Sentence examples for a statistically valid sample from inspiring English sources

Administer the survey to a statistically valid sample of your school population, and tabulate the results.

Nancy Brown, Athenahealth's senior vice president for clinical service development, acknowledged that "it is not a statistically valid sample".

Thus research, such as that unveiled by the National Centre for Social Research (NatCen) suggesting that 30% of a statistically valid sample identify as "a little" or "very" prejudiced, causes great discombobulation.

Under the Senate bill, importers would have to provide large amounts of data to the F.D.A. to show, for example, that a statistically valid sample of all drug shipments had been tested to ensure compliance with federal standards.

Mr. Russianoff said that the number of responses created a statistically valid sample, but he also said that the group "had to make some subjective judgments" about where to distribute the study.

Asking a statistically valid sample of customers "How likely is it that you would recommend our company to a friend or colleague?" enables you to calculate your net-promoter score: the ratio of promoters to detractors.

Essential key features determining the design of these studies comprise (1) a statistically valid sampling program.

This chapter describes assessment, which is a one-time process that relies on a statistically valid sampling within a region and monitoring that consists of a series of measurements designed to provide information on the trajectory of change in the ecosystem structure and/or function over time.

Focusing on non-empty compartments, we analyzed hyphal population dynamics from statistically valid sample sizes for different cultivation time points.

The interview data are not presented as statistically valid samples, but rather as a rigorous engagement with as wide a range of views as possible.

Assessing the accuracy of land cover maps is often prohibitively expensive because of the difficulty of collecting a statistically valid probability sample from the classified map.