What Do a Reflection Nebula Surrounding a Star and Earth's

question 256

Multiple Choice

What do a reflection nebula surrounding a star and Earth's atmosphere have in common?

• A) The reflection nebula and Earth's atmosphere both appear blue because of preferred scattering of this color of light.
• B) The reflection nebula and Earth's atmosphere both have about the same temperature.
• C) The reflection nebula and Earth's atmosphere have almost the same average density of gas.
• D) The reflection nebula and Earth's atmosphere both contain the same types of molecules.

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Definitions:

Regression Line

A straight line that best fits the data points on a scatter plot, showing the relationship between two variables.

Standardized Residual

The difference between the observed and predicted values, divided by the standard deviation of the residuals.

Standard Error

A statistic that measures the variability or precision of the sampling distribution of a statistic.

Autocorrelated

A characteristic of a series where subsequent observations in the series are correlated with one another.