With a declining birth rate and increasing longevity most countries are aging. The consequences are serious. Aging societies mean that there will be fewer taxpayers supporting an increasing population...

With a declining birth rate and increasing longevity most countries are aging. The consequences are serious. Aging societies mean that there will be fewer taxpayers supporting an increasing population of retirees. Because older people require more medical care the cost of health care will increase substantially. One way of measuring an aging society is to compute the average age. a. Is there statistical evidence that the United States has aged in the decade 2004–2014 (AGE)? b. Are the required conditions satisfied? c. What alternative technique can be used if the required condition is unsatisfied?