Examlex
Define attrition and differential attrition, and discuss their impact on experiments.
Elementary School
An educational institution where children receive the first stage of compulsory education known as primary or elementary education.
Standard Deviation
A statistic that measures the dispersion of a dataset relative to its mean, used to quantify the amount of variation or spread in a set of data values.
Sampling Distribution
A statistical distribution that outlines the probabilities of a certain statistic coming from a random sample.
Baggage Checked
The process of handing over passenger luggage to an airline or transportation provider for transport in the cargo area of a plane or vehicle.
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