Which Ancient Astronomer Recorded the Magnitude of Stars in His

question 39

Multiple Choice

Which ancient astronomer recorded the magnitude of stars in his star catalog and was used successfully by astronomers for generations?

• A) Ptolemy
• B) Copernicus
• C) Galileo
• D) Kepler
• E) Aristotle

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Definitions:

Populations

In statistics, this term refers to the entire pool from which a statistical sample is drawn and is the subject of a study.

Caffeinated Beverages

Drinks that contain caffeine, a stimulant that can affect the central nervous system.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, testing the null hypothesis that their population mean ranks differ.

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect, serving as the assumption to be tested.