Use the following to answer questions
This histogram represents the distribution of the number of years of education completed by twins who attended the 16th Annual Twins Day Festival in Twinsburg, Ohio, in August of 1991.
Figure: Years of Education 
-(Figure: Years of Education) Based on the distribution, what is the number of years of education that was completed by most twins?
Definitions:
Expected Rate
The predicted average rate of return or growth, based on historical data or statistical analysis, applicable to investments or economic variables.
Risk-Free Asset
is an investment that is expected to deliver a guaranteed return with no risk of financial loss.
Expected Rate
Anticipated return on an investment, often considering the risk and time value of money.
Standard Deviation
Standard deviation quantifies the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean.
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