Sentence examples for based on sample surveys from inspiring English sources
Finally, data based on sample surveys may be unreliable due to sampling errors.
It's an estimate, based on sample surveys, with an estimated error range of plus or minus 15.4percentnt.
Scholars have analyzed changes in the proportion of stem family and nuclear family based on sample surveys of typical areas or large population census data, and have taken the changes as a basis for studying the classical family modernization theory.
One reason for the sharp fluctuations in the reported numbers is that they are based on sample surveys.
The components of food balance sheets are complex transformations of data from a large number of sources based on sample surveys, censuses, administrative records and best estimates, and this complicates the task of assuring quality.
Current WHO recommendations for estimating prevalence are based on sample surveys of 50 children/school within the defined ecological zones 1; this sample size was possibly selected because it was considered to be the number of sample slides that a survey team examines in a single day.
Based on sample sizes and designs of the surveys, the margin of sampling error for results based on the total sample is roughly ±3.0% in 1991, ±3.3% in 1998 and ±4.4% in 2008, with larger margins of error for subgroups.
Based on sample analysis, AMT and MT survey were performed at 66 sounding stations along with six MT profiles shown in Fig. 6.
Data collection When conducting research based on surveys, probabilistic sampling of participants allows making inferences about population characteristics based on sample data.
To begin with, as I've pointed out numerous times before, the payroll figures, because they are based on sampling rather than surveying every employer in the country, come with a statistical margin of error of about 90,000.
