Examlex
Entry of mineral ions into the xylem is regulated by cells of the cortex.
Standard Error
The standard deviation of the sampling distribution of a statistic, most commonly the mean.
Confidence Interval
A set of values based on sample statistics, expected to include an unknown population parameter.
Sample Proportion
The fraction of the sample observations that belong to a particular category, often used as an estimator of the population proportion.
Hazardous Waste Site
Locations where waste materials harmful to humans or the environment are stored, treated, or disposed of.
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