How Far Away on Average Is the Earth from the Sun

question 26

Multiple Choice

How far away on average is the Earth from the Sun?

• A) 1 light-second
• B) 1 light-minute
• C) 1 astronomical unit
• D) 1 light-hour
• E) 1 light-year

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Definitions:

Two-Tailed Hypothesis Test

A statistical analysis method where the significance of the observed data can be in either tail of the distribution, testing for either too high or too low outcomes relative to the hypothesized values.

Critical Value

A threshold in a statistical test that a test statistic must exceed to reject the null hypothesis.

T-Distribution

A probability distribution that is used to estimate population parameters when the sample size is small and the population variance is unknown.

Population Variances

The measure of dispersion that quantifies how much the values of a population differ from the population mean.