If Light Takes 8 Minutes to Reach Earth from the Sun

question 19

Multiple Choice

If light takes 8 minutes to reach Earth from the sun and 250 minutes to reach the planet Neptune,what is the approximate distance from the sun to Neptune? Pick the closest-to-correct answer.

• A) 5 AU
• B) 30 AU
• C) 30 ly
• D) 5 ly
• E) 500 ly

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Definitions:

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect, serving as the assumption to be tested.

Mean

The arithmetic average of a set of numbers, calculated by adding up all the values and then dividing by the number of values.

Pay Equity

Pay equity refers to the principle of equal pay for work of equal value, aiming to eliminate wage discrimination based on gender, race, or other unrelated factors to job performance.

Wilcoxon Rank Sum Test

The Wilcoxon Rank Sum Test is a non-parametric statistical test used to compare two independent groups when the data cannot be assumed to be normally distributed.