A Model Railroad Engine Is 2 Inches Long

question 32

Multiple Choice

A model railroad engine is 2 inches long. If the scale is 168 feet to 1 foot, how long is the real engine?

• A) 31
• B) 29
• C) 26
• D) 34
• E) 28

Identify and apply the appropriate graphical representation for different types of data.

Distinguish between measures of central tendency and their application.

Recognize the appropriate statistical method to describe and analyze data based on the scale of measurement.

Interpret the results of statistical analysis in research findings.

---

Definitions:

Baseline

Baseline refers to the initial conditions or metrics used as a comparison point before the start of an intervention or study to assess changes over time.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world, often used in research, testing, and evaluation.

Instrument Measures

Tools or devices designed to assess, quantify, or gauge specific variables or conditions, often for research or evaluation purposes.

Single-subject Designs

Research designs focusing on the response of a single subject to a variable or treatment, allowing for detailed observation and analysis of individual effects.