The Position of a Model Train, in Feet Along the Railroad

question 55

Multiple Choice

The position of a model train, in feet along the railroad track, is given by $s ( t ) = 3 t + 3$ after t seconds.
When will the train have moved a distance of 33 feet

• A)after 30 seconds
• B) after 10 seconds
• C) after 13 seconds
• D) after 12 seconds
• E) after 11 seconds

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Definitions:

Conservative Estimator

An estimator that tends to underestimate the parameter of interest to ensure not overestimating it.

Tukey's Multiple Comparison

A statistical test used to find the differences between means in a set of data, while controlling for the error rate.

Critical Number

In mathematics, it is a value at which the derivative of a function changes sign, used to find local maxima and minima.

Sum of Squares

A measure used in statistical analysis to quantify the variation or dispersion of a set of numbers.