The phrase "an overall sample" is correct and usable in written English.
It can be used when referring to a comprehensive or general representation of a larger group or dataset.
Example: "In our research, we collected an overall sample of participants to ensure diverse perspectives were included."
Alternatives: "a general sample" or "a comprehensive sample".
Plus or minus 3 or 4 percentage points are the figures commonly posted for this error in an overall sample of "likely voters".
Fourteen studies were included in the final analysis for an overall sample of 2151 patients.
The Si/Ge stack is repeated 62 times, giving an overall sample thickness of about 3.5 μm.
Out of this, a long panel was constructed for the 11 waves amassing an overall sample of 286,308 observations.
Finally, we arrived at an overall sample of 215 firms, or 2150 firm-years, across 12 industries.
Of note, some of the statistical power seen in the results may be from significant elevations in individual AI/AO scale scores versus an overall sample trend.
Assuming that a subgroup was approximately 10% of the analysis population, an overall sample size of 600 patients was required to detect subgroup differences as outlined above.
An extensive literature search detected 174 samples from 122 studies, which resulted in 786 test outcomes and an overall sample size of 153,185.
Since no data are available on tracheotomized patients, we based our a priori power analysis on results derived from intubated patients and calculated an overall sample size of 280 patients.
In this study, the evolution of the particle size distribution (PSD) and that of particle breakage of an overall sample and along the specimen height were systematically investigated via a series of impact loading tests for two sands: a carbonate sand (CS) and a quartz sand, i.e., Fujian sand (FS).
Finally, willingness to participate in the survey was verified by telephone, with a 15.3% positive response rate from farmers (corresponding to 76 units) and 30.3% for processors (20 units), resulting in an overall sample size of 96 statistical units (N = 96).
