Answer
The bus is 12 feet long
Step-by-step explanation
Quantitative observation implies an objective collection of data for analysis based on their numerical and statistical attributes. This observation involves the depiction of obtained variables in terms of their quantity. The primary focus is on numbers and values.
Examples of quantitative observation include age, weight, height, length, population, size and other numerical values while examples of qualitative observation are color, smell, taste, touch or feeling, typology, and shapes.
Therefore, the correct option is:
The bus is 12 feet long