A Passenger Is on a Spaceship Traveling at 0

question 5

Multiple Choice

A passenger is on a spaceship traveling at 0.8 c. The passenger observes that her watch

• A) is running slow.
• B) is running fast.
• C) is keeping time as usual.
• D) is running slow if the ship is traveling in the positive direction.
• E) is running slow if the ship is traveling in the negative direction.

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Definitions:

Regression Slope

Indicates the steepness and direction of the linear relationship between two variables on a regression plot.

Variance

A calculation of how spread out a data set is, determined by the mean of the squared deviations from the average.

Least Squares Estimates

A statistical method used to determine the line of best fit by minimizing the sum of squares of the errors between observed and predicted values.

Slope

In mathematics and statistics, it represents the rate at which a line inclines or declines, showing the change in the dependent variable for a unit change in the independent variable.