Examlex
The Social Security Act was signed into law by President Franklin Roosevelt in 1935.
Random Error
An error in measurement caused by unpredictable fluctuations in the variables being measured.
Least Squares Regression Line
A straight line that best fits the data points in a scatter plot by minimizing the sum of the squares of the vertical distances (residues) of the points from the line.
Relationship Between X And Y
A term often used in statistics and research to describe how two variables change relative to each other.
Vertical Spread
A trading strategy using options that involves buying and selling options of the same underlying security, same expiration date, but different strike prices.
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