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:

Promiscuous Proteins

Proteins that can perform multiple biochemical functions or interact with many different molecules within a cell due to their flexible structure.

Complex Adaptations

Traits that have evolved through many intermediate stages and provide a significant advantage to an organism in a particular environment.

Spinal Canal

The hollow space within the vertebrae through which the spinal cord passes.

Notochord

A notochord is a flexible, rod-shaped structure found in the embryos of all chordates. Notochords served as the first “backbones” in early chordates, and in extant vertebrates the embryonic notochord becomes part of the vertebral column.