Exhibit 14-10

question 112

Multiple Choice

Exhibit 14-10.A sociologist examines the relationship between the poverty rate and several socioeconomic factors.For the 50 states and the District of Columbia (n = 51) ,he collects data on the poverty rate (y,in %) ,the percent of the population with at least a high school education (x₁) ,median income (x₂,in $1000s) ,and the mortality rate per 1,000 residents (x₃) .He estimates the following model: .The following table shows a portion of the regression results. Notes: Data obtained from the Statistical Abstract of the US for the year 2007. Refer to Exhibit 14-10.The coefficient of determination indicates that

• A)14% of the variation in the poverty rate is explained by the regression model.
• B)14% of the variation in the regression model is explained by the variation in the poverty rate.
• C)86% of the variation in the poverty rate is explained by the regression model.
• D)86% of the variation in the regression model is explained by the variation in the poverty rate.

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Definitions:

Supply Chain Design

The planning and organization of a network of interconnected businesses involved in the provision of product and service packages demanded by end customers.

Fiber Optic Wire

A type of cable made of thin strands of glass or plastic that transmits data at high speeds using light signals.

Time and Place Utility

The value added to products through making them available at the right time and location to meet consumer needs.

Pipeline

In supply chain, refers to the flow of goods and materials from the supplier to the customer, as well as the processes that move products through the stages of production to delivery.