Solve the Problem. -The Speed of a Freight Train Is 23 Mph Slower

question 331

Multiple Choice

Solve the problem.
-The speed of a freight train is 23 mph slower than that of a passenger train. The freight train travels 350 mi in the same time it takes the passenger train to travel 440 mi. Find the speed of the passenger train.

• A) 225 mph
• B) 5 mph
• C) 3 mph
• D) 112 mph

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Definitions:

Predictor Variable

A variable that is used to make a prediction of an individual’s score on another variable (the criterion variable). Conceptually similar to an independent variable.

Aptitude Test

An examination designed to measure an individual’s potential to acquire skills or knowledge.

Expected Performance

The anticipated level of performance or achievement based on standards or prior outcomes.

Single-case Design

An experimental research design focusing on the response of a single subject to a controlled intervention or treatment.