Life Expectancy an Actuary Wanted to Develop a Model to Predict

question 64

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 ( x ₁), the cholesterol level ( x ₂), and the number of points that the individual's blood pressure exceeded the recommended value ( x ₃). 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 + 1.79 x ₁ - 0.021 x ₂ - 0.061 x ₃
S = 9.47 R - Sq = 22.5% {Life Expectancy Narrative} Interpret the coefficient b ₃.

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Definitions:

Proof of Service

A document filed with a court that details the delivery of legal papers to another party in accordance with the law.

Default Judgment

A court decision in favor of the plaintiff when the defendant fails to respond or appear in court.

Plaintiff

An individual or entity who initiates a lawsuit against another party in a court of law.

FRCP 8(b)

A rule in the Federal Rules of Civil Procedure related to the requirements for responding to a pleading.