The phrase "actually a sample" is correct and usable in written English.
It can be used to clarify that something being referred to is indeed a sample, often in contrast to something else that may be assumed to be different.
Example: "This document is not the final report; it's actually a sample of what we plan to present."
Alternatives: "merely a sample" or "simply a sample".
Instead, "Who Is It" wound down with what sounds like tones of a wheezy old organ: it's actually a sample of Björk's voice played on a keyboard.
This reads like a rave on Yelp, but it's actually a sample from a help-wanted ad on another site — specifically, Mechanical Turk, a Web site owned by Amazon.com and a place where companies invite "Mechanical Turk workers" — thousands are registered, worldwide — to complete what could be described as microtasks.
Each data point is actually a sample mean, obtained by averaging gene concentrations from individual embryos.
Actually, a sampling ξ might induce several embeddings of the design B′ into B, although the converse is not true in general.
However, actually finding a sample in the first place can also be an issue in itself.
In order to maintain frequency response up to 20 kilohertz, the limit of human hearing, it is necessary to sample at slightly above twice that frequency, so that compact discs actually have a sample rate of 44.1 kilohertz.
"Every single 750-milliliter bottle that we open, we actually take a sample of that and put it into our internal laboratory, which measures every single molecule in that liquid to make sure that the taste has no cork taint.
The CSA said the mother also raised "serious doubts" about its authenticity and an investigation subsequently found De Souza had actually used a sample from his elderly father and pretended it was his.
"So it's funny, we were all sitting around watching us get to a billion users but it was actually just a sample of the users.
This is accomplished by running a generic benchmark on each site which is actually a mini sample workflow that aims to estimate the performance of the site for similar workflows.
Corgan explained: "The little guitar break over the C chord is actually a forwards sample that we laid in backwards.
