Examlex
Discuss the Pearson r statistic. What type of relationships does it measure?
Vacuum
A space devoid of matter, where the pressure is much less than atmospheric pressure.
Increasing Energy
Refers to a process or trend where the amount of energy in a system or particle becomes higher over time.
Electromagnetic Spectrum
The range of all types of electromagnetic radiation, from radio waves to gamma rays, including visible light.
Absorption Frequency
The frequency at which a material absorbs electromagnetic radiation, often used in spectroscopy to identify substances.
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