Examlex
If the redshift of a quasar were 3, at what wavelength would the 486.1-nm line of hydrogen appear in the quasar's spectrum
Degrees of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution or a system without violating any constraining conditions.
Middle-Aged
Referring to the period in a person's life, often considered to be from about 45 to 65 years old.
Simple Linear Regression
A statistical technique that models the relationship between two variables by fitting a linear equation to observed data, with one independent variable explaining the variation in the dependent variable.
Multiple Linear Regression
An analytical approach in statistics that uses a linear equation to define how a dependent variable is related to two or more independent variables based on observed data.
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