The phrase "an average performance" is correct and usable in written English.
It can be used to describe a performance that is neither particularly good nor bad, indicating a middle level of quality.
Example: "The team delivered an average performance, which was not enough to secure a win in the championship game."
Alternatives: "a mediocre performance" or "a standard performance."
These stars are awarded based on the dispersion of scores on each indicator and subsequently on the statistical differences between the providers: two stars for an average performance, one for the worst performers and three for the best performers.
The contrast difference between alternately presented stimuli was detectable with all subjects performing the task with an average performance of 98.5 ± 2% with the amblyopic eye and 97.8 ± 2% with the fellow fixing eye, demonstrating that the targets were visible to each eye and properly imaged on their retinas.
Other than that, it was an average performance.
After Wednesday night's debate in Simi Valley, I gave Rick Perry a B-minus, meaning an average performance.
The game, which had playoff implications for both teams, brought the network 15.75 million viewers, an average performance for the football series but strong enough to beat CBS's night of repeats.
"We tried everything, but right now he would be at an average performance level.
(A) Average performance of bCR (green) and ZR (red) on the same task as in panel 6A.
The original OAK has an averaged performance of 27.34 ± 3.40 similarity calculations per second.
The 4D FAPOA approach has an averaged performance of 38.8 ± 27.56 similarity calculations per second.
"It's three points from an exceedingly average performance from us and I don't want to start knocking the players.
The results obtained show a better performance in terms of the best solution found for many instances, and an equivalent average performance.
