Sentences with phrase «precise estimate on»

Not exact matches

The precise amount to be cut depends on several variables, including tax revenue, but an estimate by the Congressional Budget Office puts it at 7.8 % in 2013 for the non-military component.
The researchers» new estimate is much more precise than previous estimates, which were based on observations of faraway stars.
Along with radiocarbon dating on charcoal remains from human - made fires, these analyses yielded a much more precise estimate for the age of sediments surrounding artifacts at various depths.
We also want to start studying the known Y dwarfs in more detail to determine more - precise temperature estimates, estimate their masses, determine if any of them are actually binary systems and so on.
Caveats first: Sample sizes are now smaller, so these estimates are less precise than those for the broader fields: STEM, social sciences, and so on.
The precise prevalence rate of LTBI in the United States is difficult to determine; however, based on 2011 - 2012 National Health and Nutrition Examination Survey data, estimated prevalence is 4.7 percent to 5.0 percent.
The Bayesian inference process allows the estimates of each parameter to be updated based on each new measurement, gradually refining the estimates and homing in ever closer to the precise answer, he says.
Where previous estimates were drawn from a range of mostly long - run models that looked at century - long changes, we instead focused on a precise definition and current starting point, and other factors which matter far less in the long term, but a lot if the goal is much closer.
7It is particularly ironic that Lomborg would offer such a ridiculously precise estimate of the cost of the impacts of climate change from carbon dioxide emissions, inasmuch as the entire thrust of his books chapter on «global warming» is that practically nothing about the effects of greenhouse gases is known with certainty.
«Estimating exactly how many birds nest on a cliff is not very precise» admits Oppel, but the sound recordings provide a very valuable index of how large seabird colonies are.
However because the London Cycle Hire scheme hasn't been operating long enough to get a very precise estimate of the true injury rates on the scheme, the researchers also repeated their analyses using background injury rates for cycling in the hire zone (i.e. injury rates for all cycling, not specifically for cycle hire cycling).
Since Kepler does not have a precise gauge on its fuel tank, engineers can only estimate when it is running out of fuel.
Instead of merely estimating salt consumption, the researchers calculated precise values based on urine samples.
If it can not be proved that those gains are due to improved school accountability, it is heartening to know that Margaret Raymond and Eric Hanushek found, in more precise estimates of accountability impacts, somewhat larger gains on the NAEP in those states that were the first to put accountability systems into place (see «High - Stakes Research,» features, Summer 2003).
In his study, Hanushek calculated the economic value related to effective teaching by drawing on a research literature that provides precise estimates of the impact of students» achievement levels on their lifetime earnings, and by combining these figures with estimated impacts of more - effective teachers on student achievement.
The estimated effects on reading scores are statistically indistinguishable from zero primarily because they are less precise.
But we can calculate more prosaic economic values related to effective teaching, by drawing on a research literature that provides surprisingly precise estimates of the impact of student achievement levels on their lifetime earnings and by combining this with estimated impacts of more - effective teachers on student achievement.
Precise numbers of teacher job openings for the upcoming school year nationwide are hard to come by: Many school districts must approve budgets before knowing how much state aid they will receive, or how many current teachers will either resign or retire, which means budgets are based on estimates.
We find precise zero estimated effects of refugees on the educational outcomes of incumbent students in the year of the earthquake or in the two years that follow, regardless of the socioeconomic status, grade level, ethnicity, or birthplace of incumbent students.
Although she thinks the model could still work, she cautions readers that it is not capable of precise comparisons Although Howey's method of estimating book sales based on bestseller rankings is creative, it is no substitute for actual sales data.
If you're out to make a more precise estimate of the nest egg you'll need for early retirement, you should estimate your CPP based on when you expect to start it.
Lacking that precise data, all we can do is estimate a range, based on the evidence.
Although the precise duration that an animal spent in a particular disease stage could not be determined based on the voluntarily nature of the examinations and the widespread distribution of the study population across several continents, repeated examinations were used to provide a rough estimate of disease progression.
But arguments over the precise value of climate sensitivity duck the wider point, which is that even if we're lucky and climate sensitivity is on the low side of scientists» estimates, we're still heading for a substantial level of warming by the end of the century if greenhouse gas emissions aren't addressed, as the IPCC has highlighted.
While climate contrarians like Richard Lindzen tend to treat the uncertainties associated with clouds and aerosols incorrectly, as we noted in that post, they are correct that these uncertainties preclude a precise estimate of climate sensitivity based solely on recent temperature changes and model simulations of those changes.
Meet one on one with homeowners and commercial project coordinators to obtain precise measurements that result in accurate estimates for project completion.
a b c d e f g h i j k l m n o p q r s t u v w x y z