Examlex
The background-position property is only useful for non-tiled images because a tiled image fills the background and it usually doesn't matter where the tiling starts.
Variable
Any characteristic, number, or quantity that can be measured or quantified, which can vary among subjects in a study.
Confidence Level
The proportion of times that an estimating procedure will produce intervals that contain the parameter of interest if the same population is sampled repeatedly.
Precision
The degree to which repeated measurements under unchanged conditions show the same results.
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, expressed with a certain level of confidence.
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