The phrase "a study that estimated" is correct and usable in written English.
You can use it when referring to research that has made an estimation or approximation regarding a particular subject or data set.
Example: "A study that estimated the impact of climate change on sea levels was published last year."
Alternatives: "a research that assessed" or "a report that calculated".
Earlier this year, the European Union released a study that estimated the worldwide cost of junk e-mail at $8 billion annually.
The National Association of Clean Air Agencies commissioned a study that estimated the cleanup would cost less than a penny a gallon.
In May, Harvard's T.H. Chan School of Public Health published a study that estimated there had been 4,645 excess deaths in Puerto Rico in a roughly three-month period after Hurricane Maria made landfall there.
The World Health Organization on Wednesday waded into the controversial subject of Iraqi civilian deaths, publishing a study that estimated that the number of deaths from the start of the war through June 2006 was at least twice as high as the oft-cited Iraq Body Count.
Marine biologist Sara Andreotti, a postdoctoral researcher at Stellenbosch University, led a study that estimated the total South African population of great whites at only between 353 and 522 individuals in 2011 – making them far more scarce than the country's well-known rhinos.
Wind energy isn't going away anytime soon, either, according to a study that estimated the effect of continued global warming on wind patterns over America's lower 48 states and a portion of northern Mexico.
They point to a study that estimates actual damages at hundreds of times higher.
Well, Marshall has just published a study that estimates how the global economy would be affected by these different levels of temperature rise.
It cites a study that estimates that such a shift would save $15 billion a year.The hitch is that utilities in America have provided smart meters for only 6% of their customers, according to the FERC.
He cites a study that estimates that holiday gift giving in the United States costs society $4B, not to mention the countless hassles of returns, exchanges, and the second and third-order effects of regifting bad gifts.
"Consumer Federation of America (CFA) today released a study that estimates that large incumbent telephone companies have engaged in abusive pricing practices for high-speed broadband "special access" services, with overcharges totaling about $75 billion over just the past five years.
