Which of the Following Stars Is a Cepheid Variable

question 2

Multiple Choice

Which of the following stars is a Cepheid variable?

• A) Sirius
• B) Betelgeuse
• C) Rigel
• D) Mizar
• E) Polaris

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Definitions:

Linear Effects

A relationship in statistical models where the change in the outcome variable is directly proportional to the change in the predictor variables.

Best Predictor

The variable or factor most strongly associated with or capable of predicting the outcome of interest.

Calorie Content

The amount of energy in food or drink, measured in calories, that can be metabolized by the body.

Linear Effects

In modeling, the proportional change in an outcome resulting from a one-unit change in independent variables assuming all other variables are held constant.