Exhibit 14-9

Question 94

Multiple Choice

Exhibit 14-9.When estimating ,the following regression results were obtained. Refer to Exhibit 14-9.What is the adjusted R²? A)0.82 B)0.86 C)0.92 D)0.96

Related questions

Q 95

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.What is the poverty rate for a state where 85% of the population has at least a high school education,the median income is $50,000,and the mortality rate is 10 per 1000 residents? A)12.6% B)14.6% C)16.6% D)18.6%

Q 96

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.

Q 97

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.What is the mean square error,MSE? A)0 B)1.5 C)3.0 D)4.5