The Light from a Distant Star Is That Has a Peak

question 20

Multiple Choice

The light from a distant star is that has a peak in its intensity spectrum at 620 nm and is moving at a rate of 0.024c towards Earth.What is the wavelength of the peak of its intensity spectrum,as observed on Earth?

• A) 605 nm
• B) 591 nm
• C) 650 nm
• D) 635 nm

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Definitions:

Hypotheses Testing

A method in statistics used to determine whether there is enough evidence in a sample of data to infer that a certain condition holds for the entire population.

Power of the Test

The likelihood that a test will correctly reject a false null hypothesis, essentially measuring the capability to detect an effect if there is one.

Interpret

To explain the meaning of information, data, or actions.

Sample Size

The number of observations or data points used in a statistical analysis.