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} Interpret the coefficient b1.
Definitions:
Masculinity
A set of attributes, behaviors, and roles often associated with boys and men, as defined culturally and socially.
Immoral Act
An action that is considered to be wrong or unethical according to societal standards or moral principles.
Authority
The power or right to give orders, make decisions, and enforce obedience, often derived from a position of trust or leadership.
Glen Ridge
A small suburban township located in Essex County, New Jersey, United States.
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