The phrase "a proportion was" is correct and usable in written English.
It can be used when discussing a specific part or fraction of a whole in a statistical or analytical context.
Example: "In the survey, a proportion was found to prefer option A over option B."
Alternatives: "a fraction was" or "a percentage was".
The degree of accuracy expressed as a proportion, was calculated as 0.00523.
The only time we even approached such a proportion was the end of World War II, where we were in a global war that threatened our very survival as a nation.
Such a proportion was significantly lower than the equivalent for MT-G positive sperm (71.9% of sperm decondensed after ICSI; P = 0.001).
The estimated slope for the linear regression of growth rate (kg/day) versus frequency of exposure to humans (as a proportion) was 0.0735 (SE = 0.0144; t2 = 5.11; P = 0.032; estimated coefficients and standard errors reported in Table S3).
The estimated slope for the linear regression of reproductive rate (pups/females on ln scale) versus frequency exposure to humans (as a proportion) was 0.643 (SE = 0.236; t4 = 2.73; P = 0.053) for the average rate, and 0.399 (SE = 0.195; t4 = 2.04; P = 0.111) for the maximum rate (estimated coefficients and standard errors reported in Table S1).
The confidence interval (CI) of a proportion was calculated as well.
The terms of a proportion are the four numbers or expressions that enter into the proportion.
Mathematical objects, such as a proportion, are both like and unlike material objects.
In this case, if a proportion is close to zero, than roads of this type are not popular for hitchhikers.
The lower and upper limits of the 95%% confidence interval (CI) for a proportion were calculated.
A proportion were tested for reserve drugs at the Health Protection Agency National Mycobacteria Reference Unit Laboratory, London, UK.
