Examlex
The orbit of Hale-Bopp comet, discovered in 1995, is an ellipse with eccentricity and one focus at the Sun. The length of its major axis is
AU. [An astronomical unit (AU) is the mean distance between Earth and the Sun, about 93 million miles.] Find the maximum distance from the comet to the Sun. (The perihelion distance from a planet to the Sun is
and the aphelion distance is
.) Find the answer in AU and round to the nearest hundredth.
Statistical Tool
Software or methods used for the analysis, interpretation, and visualization of statistical data.
Causality
The relationship between cause and effect where one variable causes the change in another.
Multiple Regression
An approach in statistics where multiple predictors are used to estimate the outcome of a target variable.
Path Analysis
A specialized type of structural equation modeling used to describe directed dependencies among a set of variables, suitable for analyzing complex causal relationships.
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