The Results of a Recent Poll on the Preference of Teenagers

question 57

Multiple Choice

The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below. $\begin{array}{lll}\text { Music Type } & \text { Teenagers Surveyed } & \text { Teenagers Favoring } \\&&\text { Phis Typ e } \\\text { Pop } & 800 & 384 \\\text { Rap } & 900 & 450\end{array}$ The point estimate of the difference between the two population proportions is

• A) -.02.
• B) .048.
• C) .52.
• D) -.5.

---

Definitions:

Cost Analysis

The process of evaluating the costs associated with a project or business operation to determine its financial feasibility and identify areas for cost reduction.

Multiple Source

The practice of procuring a good or service from several suppliers to reduce dependency on any single supplier and increase competitiveness.

Cross-functional Teams

Groups composed of members from different departments or expertise areas working together towards a common goal.

Research

The systematic investigation into and study of materials and sources to establish facts and reach new conclusions.