Examlex
Estimation is the process of inferring the value of an unknown population parameter using data from a random sample drawn from the population.
Positive Charge
An electrical charge with more protons than electrons, resulting in a net surplus of positive electric charge.
Protons
Positively charged subatomic particles found within the nucleus of an atom.
Electrons
Subatomic particles with a negative charge, orbiting the nucleus of an atom.
Charged Atom
A charged atom, also known as an ion, is an atom that has gained or lost one or more electrons, resulting in a positive or negative charge.
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