We Know That Giant Stars Are Larger in Diameter Than

question 21

Multiple Choice

We know that giant stars are larger in diameter than the Sun because

• A)they are more luminous but have about the same temperature.
• B)they are less luminous but have about the same temperature.
• C)they are hotter but have about the same luminosity.
• D)they are cooler but have about the same luminosity.
• E)they have a larger absolute magnitude than the Sun.

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Definitions:

P-Value

The probability, under the null hypothesis, of obtaining a result equal to or more extreme than what was actually observed.

Null Hypothesis

An assertion for statistical testing that presupposes no significant difference or correlation between specified groups or variables.

Statistical Evidence

Quantitative data used to support or refute a hypothesis or to estimate the truth of a parameter.

Confidence Interval

A range of values, derived from sample statistics, that is believed to contain the value of an unknown population parameter with a certain level of confidence.