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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 the 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 were collected related to the length of life after 65 (Life) including the average income (in $1,000s) (Income) , the average number of alcoholic drinks consumed per day (Drinks) , and a dummy variable Woman which is 1 when the individual is a woman and 0 otherwise. The following model was created: Life = β0 + β1Income + β2Drinks + β3Woman + ε. Output corresponding to this model is shown below. Using a p-value approach, which of the following conclusions is correct at 5% significance level?
Costs
The amount of money required for the production, maintenance, or acquisition of goods and services.
Androgynous Individuals
People who do not fit neatly into the conventional gender roles of male or female, often blending or embracing characteristics of both.
Instrumental
Pertaining to actions or objects that serve as means to an end, often referring to the practical or functional use of something.
Expressive Roles
Roles associated with emotional support, nurturance, and maintaining interpersonal relationships within the family or group.
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