LEAST-SQUARED METHOD of approximating cost is a statistical approach that is both objective and considers all the data points. By using mathematical formulas to arrive at the best possible cost line (i.e., the regression line), it is more accurate than the methods mentioned previously. The regression line is in the form Y=a + bX, where X is the independent variable and Y is the dependent variable. The coefficient of determination (R2) can be used to judge the line's goodness of fit.
SUPERANNUATION is a. the act of discharging someone because of age (especially to cause someone to retire from service on a pension) or, b. a monthly payment made to someone who is retired from work.
INFLATION HEDGE is a defensive investment that protects against the risk of loss caused by inflation. Tangible investments such as gold, silver and precious gems and coins are inflation hedges.
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