An Arching Column of Gas Suspended Over a Sunspot Group

question 40

Multiple Choice

An arching column of gas suspended over a sunspot group is called a

• A) coronal hole.
• B) prominence.
• C) flare.
• D) spicule.

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Definitions:

Lower-Tail Test

A statistical test used to determine if a data sample is significantly lower than the population mean.

Upper-Tail Test

Is a statistical test where the critical area, where we reject the null hypothesis, is located in the upper tail of the distribution.

Two-Tail Test

A statistical test used to determine if a sample is significantly greater than or less than a certain range of values, assessing both ends (tails) of the distribution.

Significant Difference

A statistically meaningful difference between two or more groups or variables, as determined by specific statistical tests.