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Omar is 13 and has started noticing facial hair when he looks in the mirror.He has also noticed that his shoulders are broadening.His father,who is a psychologist,tells him that these changes are known as
Z-score
A measure of how many standard deviations an element is from the mean; used in statistics for standardizing scores.
Symmetrical Area
An area where two sections of a distribution or figure are mirror images of each other, indicating balance around a central point.
Value
The significance or worth of something, often numerical, but can also be qualitative in context such as moral values.
Normal Random Variable
A variable that is distributed according to the normal distribution, characterized by its mean and standard deviation.
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