Spectroscopic and Eclipse Duration Observations of an Eclipsing Binary Star

question 83

Multiple Choice

Spectroscopic and eclipse duration observations of an eclipsing binary star can enable astronomers to calculate________ of its individual stars.

• A)the masses
• B)the sizes
• C)the masses and sizes
• D)neither masses nor sizes

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Definitions:

Nonparametric Method

Statistical methods that do not rely on data belonging to any particular distribution, often used when data doesn't meet the assumptions of parametric tests.

Matched Pairs

A study design in which participants are paired based on specific characteristics, ensuring that each pair is as similar as possible except for the variable being tested.

Ordinal Data

A type of categorical data where the categories have a natural, ordered relationship.

Wilcoxon Rank Sum Test

A nonparametric test that compares two unrelated samples to determine if there is a difference in their central tendency.