Each month the Bureau of Labor Statistics reports the number of people (in thousands)employed in the United States by age.The accompanying frequency distribution shows the results for August 2011. 
a.Construct a relative frequency distribution.What proportion of workers is between 20 and 24 years old?
b.Construct a cumulative relative frequency distribution.What proportion of workers is younger than 35 years old?
c.Construct a relative frequency histogram.
Definitions:
Equal Investment
A strategy where an investor allocates the same amount of money into each investment within a portfolio.
Portfolio
A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including closed-end funds and exchange traded funds (ETFs).
Standard Deviation
A measure of the dispersion or spread of a set of values, indicating how much the values differ from the average of the set.
Coefficient Of Correlation
A statistical measure that indicates the extent to which two variables fluctuate together. A value closer to 1 or -1 indicates a stronger relationship.
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