With Respect to the Following Operating Service Characteristics of the Modes

question 34

Multiple Choice

With respect to the following operating service characteristics of the modes of transportation,which combination is CORRECTLY specified?

• A)Speed: air is best; pipeline is worst.
• B)Availability: air is best; pipeline is worst.
• C)Capability: rail is best; air is worst.
• D)Dependability: pipeline is best; truck is worst.

---

Definitions:

Population

A group of individuals, objects, or events that share common characteristics and are studied in statistics to draw inferences about their properties.

Sample

A subset of individuals or objects taken from the population of interest, used for statistical analysis.

Simple Random Sampling

A sampling method where each member of a population has an equal probability of being selected into the sample.

Sample Mean

The sample mean is the average value of a sample of data, calculated by summing all data points and dividing by the number of points.