"a completed sample" is a correct and usable phrase in written English.
It is typically used when describing a sample that has been finished or fully completed in some way. Here is an example: "We are pleased to present a completed sample of our new product line for your review."
A cover note explaining the study to teachers and instructions on how to fill the form, including a completed sample form, was enclosed in the package.
In each 5 week collection period about 100 GPs each records information for approximately 30 consecutive patients for each topic, a completed sample of about 3000 patients per substudy.
We calculated that we needed a completed sample of 1300 participants to have 80% power at a significance level of 5% to detect differences of at most five points in these subscales between groups, provided that the mean correlation coefficient between operators was less than 0.02 (very likely according to our feasibility study).
EACH individual sample must be submitted with a correctly completed sample submission form indicating the service required.
The boundaries of interest are selected after a complete sample characterization by Electron Back Scatter Diffraction and a calculation of the preferred slip systems within each grain.
For the case of a complete sample of univariate predictors and responses, the modern nonparametric regression matches results known for parametric and semiparametric regressions.
We have performed a spectral principal component analysis for a complete sample of 22 low redshift QSOs with spectra from Lyα to Hα, and found three significant principal components, which account for ∼78% of the spectrum-to-spectrum variance.
For this reason, we have selected a complete sample of 42 low redshift BL Lacs (independently of their gamma-ray properties) to study with a multi-wavelength (radio, optical, X-ray, gamma-ray) approach.
We are using this unique facility to observe a complete sample of Pearson-Readhead Survey sources (Pearson and Readhead 1988) at 4.8 GHz, to determine core brightness temperatures and pc-scale jet properties.
In statistics, if any sample is representative of a population, the sample can be called by a complete sample.
"We really need a complete sample," he says, before we know how much we've been missing.
