If the Earth Were Represented as a Basketball (˜10 In in Diameter)

question 92

Multiple Choice

If the Earth were represented as a basketball (˜10 in. in diameter) and the Moon as a baseball (˜3 in. in diameter) then, to order of magnitude, what size would best represent the diameter of the Sun

• A)10 ft
• B)100 ft
• C)1000 ft
• D)10000 ft

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Definitions:

Variance

A measure of how much values in a dataset differ from the mean of the dataset.

R Value

A statistic that represents the magnitude and direction of a correlation between two variables, often used in linear regression analysis.

Effect Size

A quantitative measure of the strength of a phenomenon or the magnitude of a relationship between variables.

Cohen

Often refers to statistical power analysis methods or effect size measures designed by Jacob Cohen, used in hypothesis testing.