Examlex
What are the two main chemical elements that make up the Sun? How much of the mass of the Sun is composed of elements other than these two?
Unknown Mean
A parameter of a population that has not been determined.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean of the data set.
Random Variable
A variable that can take numerical outcomes as its values, which are derived from random events.
Brake To A Stop
The action or process of slowing down or stopping a moving vehicle by applying its brakes.
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