The box-and-whiskers plot below shows the distribution of median incomes for 50 towns. What is the lowest value in the set of data? The highest value? The first quartile? The third quartile? The median? Find the range and the interquartile range. 
Definitions:
IRR
Stands for Internal Rate of Return, a financial metric used to estimate the profitability of potential investments.
Variance
A statistical measure that indicates the spread of data points in a dataset around the mean, reflecting the data's volatility.
Risk Averse
The tendency to prefer certainty over risk, where an individual opts for the investment with the least potential for financial loss.
NPV
A financial metric that calculates the total value of a project or investment by discounting future cash flows back to their present value and subtracting initial investment cost.
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