According to the Center for Disease Control and Prevention,life Expectancy

question 47

Multiple Choice

According to the Center for Disease Control and Prevention,life expectancy at age 65 in America is about 18.7 years.Medical researchers have argued that while excessive drinking is detrimental to health,drinking a little alcohol every day,especially wine,may be associated with an increase in life expectancy.Others have also linked longevity with income and gender.The data relating to the length of life after 65 (Life) were collected.Data also include: average income (in $1,000s) (Income) ,the average number of alcoholic drinks consumed per day (Drinks) ,and a dummy variable Woman.The following model was created: Life = β₀ + β₁Income + β₂Drinks + β₃Woman + ε.The Excel partial output corresponding to this model is shown below. Which of the following is the predicted life expectancy for a 65-year-old woman with an income of $60,000 and a consumption of one drink per day?

• A) 19.78
• B) 15.21
• C) 21.36
• D) 16.58

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Definitions:

Blood Clot

A mass formed by the coagulation of blood in response to injury or a medical condition, which can impede blood flow.

Dominant Inheritance

A genetic principle in which an allele expresses its phenotype even in the presence of a recessive allele.

Allele

One of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

Infertile

The inability to conceive a child after regular, unprotected sexual intercourse over a certain period of time, typically a year.