Measurement scale for age in years isa.Nominal scaleb.Ordinal scalec.Interval Scaled.Ratio Scale

Break Down the Problem

1. Identify the nature of the age measurement.
2. Determine the characteristics of each type of measurement scale provided.

Relevant Concepts

1. Nominal Scale: Categorical data without a specific order (e.g., gender, colors).
2. Ordinal Scale: Categorical data with a specific order but not evenly spaced (e.g., rankings).
3. Interval Scale: Numeric data with equal intervals but no true zero point (e.g., temperature in Celsius).
4. Ratio Scale: Numeric data with equal intervals and a true zero point (e.g., weight, height, age).

Analysis and Detail

• Age in years is a numeric measure that reflects a quantity and has a true zero (e.g., age 0 represents birth).
• It also has equal intervals (the difference between ages is consistent).

Verify and Summarize

• Since age has numerical value, can be measured, and includes a true zero point, it fits the criteria for a ratio scale.

Final Answer

The measurement scale for age in years is d. Ratio Scale.