Life Expectancy an Actuary Wanted to Develop a Model to Predict

question 26

Essay

Life Expectancy
An actuary wanted to develop a model to predict how long individuals will live.After consulting a number of physicians,she collected the age at death (y),the average number of hours of exercise per week (x₁),the cholesterol level (x₂),and the number of points that the individual's blood pressure exceeded the recommended value (x₃).A random sample of 40 individuals was selected.The computer output of the multiple regression model is shown below. THE REGRESSION EQUATION IS y = 55.8 + 1.79x₁− 0.021x₂− 0.061x₃ ​ S = 9.47 ​ R−Sq = 22.5% ANALYSIS OF VARIANCE ​ ​
-{Life Expectancy Narrative} What is the adjusted coefficient of determination in this situation? What does this statistic tell you?

---

Definitions:

Yellow Dog Contracts

Employment agreements where the worker agrees not to join a labor union as a condition of employment, mainly historical and now illegal in the US.

Injunctions

Court orders that compel a party to do or refrain from specific acts, often used in labor disputes to stop certain actions by unions or employers.

Picketing

A form of protest or demonstration by workers, often involving carrying signs and marching at the workplace's entrance, aimed at drawing public attention to issues like unfair labor practices.

Mainstream Economics

The body of economic thought and theory that is widely accepted and taught across major universities and colleges, focusing on market equilibrium, demand and supply, and the role of government interventions.