Age of Population The following frequency polygon shows the age distribution of U S residents below 100 years of age on July 1, 2009 (a) What is the class width How many classes are represented in the graph (b) What is the midpoint of the first class What are the lower and upper limits of the first...

a 10 The class width is the difference between successive class midpoints eg 15 5 10 There are 10 cl ...

Age of Population The following frequency polygon shows the age distribution of U.S. residents below 100 years

Question:

Age of Population The following frequency polygon shows the age distribution of U.S. residents below 100 years of age on July 1, 2009.

Age of 2009 U.S. Population 50 40 30 20 10 15 25 35 45 55 65 75 85 95 105 Age (years) Number (milli ons)

(a) What is the class width? How many classes are represented in the graph?

(b) What is the midpoint of the first class? What are the lower and upper limits of the first class?

(d) Which age group has the highest population? Estimate the population of this age group.

(e) Which age group has the lowest population? Estimate the population of this age group.

(f) Approximate the total number of U.S. residents below 100 years of age on July 1, 2009.

(g) Between which two classes is the change in population most extreme? Least extreme?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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