The Public Transportation System in the San Francisco Area Conducted

question 85

Multiple Choice

The public transportation system in the San Francisco area conducted a survey that revealed respondents could be assigned to one of four categories: (1) people who never utilized mass transit, (2) people who utilized mass transit in the past but not now, (3) people who utilized mass transit occasionally,and (4) people who utilized mass transit regularly.These groups have significantly different perceptions about transportation alternatives.This is an example of _____ segmentation.

• A) demographic
• B) benefit
• C) aggregate
• D) economic
• E) usage-rate

---

Definitions:

System of Linear Equations

A set of equations with multiple variables that are linear, where the goal is to find values for the variables that satisfy all equations simultaneously.

Cramer's Rule

A mathematical theorem used to solve systems of linear equations with the same number of equations as unknowns, using determinants.

System of Linear Equations

A group of one or more linear equations that share a common set of variables.

Row-echelon Form

A form of a matrix where all nonzero rows are above any rows of all zeroes, and each leading entry of a row is to the right of the leading entry of the previous row.