Life Expectancy an Actuary Wanted to Develop a Model to Predict

question 145

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 coefficient of determination? What does this statistic tell you?

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Definitions:

Wat Chai Wattanaram

A historic Buddhist temple located in Ayutthaya, Thailand, known for its distinctive Khmer architecture and as a major monument of the Ayutthaya kingdom.

Stupa Towers

Buddist commemorative monuments typically housing sacred relics and used as a place of meditation, notable for their hemispherical domes.

Thai Temple Complexes

Architectural and religious complexes in Thailand, typically Buddhist, consisting of a collection of buildings such as stupas, viharas, and ordination halls.

Transitory Change

Temporary alterations in economic or financial variables that do not have lasting effects on the overall system.