The Polarity of Sunspot Magnetic Fields

question 17

Multiple Choice

The polarity of sunspot magnetic fields:

• A)reverses every 22 years.
• B)reverses every 11 years.
• C)is consistent for all sunspots in the same hemisphere.
• D)is unrelated between different sunspots.
• E)changes the color of sunspots.

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Definitions:

P-Value

The probability that the observed results happened by chance if the null hypothesis of a study is true.

Age Groups

Categories of populations divided according to age to simplify analysis and understanding of demographic information.

Pooled Estimator

A statistical method that combines estimates from different sources or samples to arrive at a more accurate or comprehensive estimate.

Population Proportion

Population Proportion represents the fraction or percentage of members in a population that exhibit a particular attribute or characteristic.