With Our Present Technology,sending a Small Unmanned Spacecraft to the Next

question 27

Multiple Choice

With our present technology,sending a small unmanned spacecraft to the next nearest star beyond the Sun would require a flight time of

• A) about 4.2 years.
• B) about 20 years.
• C) about 100 years.
• D) about 10,000 years.

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Definitions:

Tukey Multiple Comparison

A statistical test used to find means that are significantly different from each other.

Pairwise Means

It involves the comparison of means from two groups at a time, often used in statistical methods to identify significant differences between groups.

One-Way ANOVA

A statistical technique used to compare the means of three or more samples using variance to understand if at least one of the means is significantly different from the others.

Sum of Squares

A statistical measure used in regression analysis and ANOVA that quantifies the variation within data points.