The phrase "agreement about whether" is correct and usable in written English.
It can be used when discussing a consensus or understanding regarding a specific issue or decision that involves a choice or condition.
Example: "The committee reached an agreement about whether to proceed with the project or not."
Alternatives: "consensus on whether" or "understanding regarding whether".
Retailing professionals are not in agreement about whether this economy has irrevocably changed consumer spending habits.
There also isn't agreement about whether that's meaningful for human consumption.
There is little international agreement about whether the United States requires too much regulation or too little.
In fact, there is very little agreement about whether fighting corruption is a compelling state interest, or even about what corruption is.
"We are not opting out of No Child Left Behind, but there is some disparity of agreement about whether it's fully funded," Mr. Stephens said after Tuesday's vote.
But there was no indication on Wednesday that they had come to an agreement about whether the courts can address the problem.
Agreements about whether to allow sex with outside partners are common among gay male couples [ 5], but it is also true that relationship characteristics may impact both those agreements as well as other choices that many couples make in their efforts to reduce their HIV risk.
No agreement exists about whether diffuse bronchioloalveolar carcinoma has a multicentric or unicentric origin.
Still, questions remain about the timetable for acting on any agreement, and about whether such a pact will bring a fundamental change in the Met's collecting practices.
There was less agreement, however, about whether children themselves should be involved in selecting their caregivers.
There is little agreement about what happened, or whether it happened at all, and the full truth may never be known.
