The phrase "at a high average" is correct and usable in written English.
It can be used when discussing statistical data or performance metrics that are above the typical or mean level.
Example: "The team's performance this quarter was at a high average compared to previous periods."
Alternatives: "above average" or "well above average".
By contrast, opponents were batting.235 against Mussina with two strikes -- eight hits in 34 at-bats, a high average against a pitcher of Mussina's caliber.
No one in history has scored more runs at a higher average.
America West expects the changes, effective yesterday, to bring in more passengers at a higher average price.
The cascaded cell concept gives the opportunity to operate at a higher average voltage than the lowest Nernst voltage offers.
Watson v Strauss is close – Watson has more runs at a higher average – but Strauss shades it for that initiative-seizer at the Gabba.
If it has been a struggle for Hales, then it is worth noting that he has nevertheless scored more runs than Alastair Cook, at a higher average.
One big chunk of money will be saved by reducing unjustifiably high subsidies to private Medicare Advantage plans that enroll many beneficiaries at a higher average cost than traditional Medicare.
Some teams may have jumped at the chance to get Harper on a shorter-term deal — perhaps even at a higher average annual salary than Zack Greinke's record $34.4 million with the Arizona Diamondbacks — but Harper and Boras were thought to be holding out for a longer deal.
The overall consumption of glucose, adenine nucleotides, 2'-deoxyguanosine monohydrate, calcium pantothenate, Fe2+ and Mn2+ decreased with increasing average growth rate, indicating more effective use of these nutritional components at a higher average growth rate, as biomass yield based on nutritional component consumption increased.
A higher quality labor force comes at a higher average wage.
