The phrase "a third sample of" is correct and usable in written English.
It can be used when referring to the third instance or example of a sample in a series or collection.
Example: "In our research, we analyzed a third sample of the data to ensure the accuracy of our findings."
Alternatives: "the third example of" or "a third instance of".
The experts said a third sample of DNA was not necessarily that of the victim.
With minor changes, this same 7-factor model was also confirmed in a second sample of 148 mothers and fathers, and a third sample of 126 Hispanic mothers and fathers.
A third sample of S. cerevisiae was also grown and sequenced as a pair of technical replicates.
Table 1 provides more detailed results for these 46 SNPs in samples 1 and 2. These 46 SNPs were tested for QTL association via individual genotyping in a third sample of 2356 individuals spanning the entire distribution of mathematical ability.
Models were developed on a random sample of 5 million people and validated on a second random sample of 5 million people and a third sample of 5 million people drawn from a random sample of practices.
The subset sample of 4,243,902 reads (0.3×) was used to assemble TEs and repeats for A. albopictus, consisting of 2 samples of 0.1× genomic coverage for assembly and a third sample of 0.1× for the quantification step.
Instead of estimating a distribution function, the information contained in a given small sample is extracted directly to produce the sampling result as a second sample of considerably larger size that completely reflects the properties of the original small sample.
And workers will have the right to demand that a second sample of their specimen be tested at a laboratory different from the first.
The easiest way to settle the matter is to find a second sample of life, one that arose from scratch independent of known life.
On the basis of this information, it will then estimate the characteristics of the rest of the non-responders.Then the bureau wants to conduct a second sample of 750,000 households drawn from all ethnic groups and locations.
A second sample of 316 respondents cross-validates the findings.
