Examlex
The effect of sewage on waterways is most similar to the effects of which of the following water pollutants?
Z-score
A measure that describes a value's relationship to the mean of a group of values, represented in units of standard deviation.
Third Quartile
The value that divides the top 25% of a data set from the bottom 75%, often used as a measure of data spread.
Quartile
A type of quantile which divides the range of a probability distribution into four intervals of equal probability, used in describing the spread of a dataset.
GMT
Greenwich Mean Time, the mean solar time at the Prime Meridian in Greenwich, London, used as a global time standard.
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