Examlex
One disadvantage of secondary data is that it cannot be converted to conform to a researcher's needs.
Data Points
Individual measurements or observations collected during data gathering.
Residual Term
The difference between observed values and the estimated values in a regression model.
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.
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