Examlex
Which of the following statements is CORRECT?
Least Squares Line
A line of best fit determined by minimizing the sum of squares of the differences between observed values and the values predicted by the line.
Sample Regression Line
A line of best fit through a scatterplot of sample data points in regression analysis, used to estimate the relationship between variables.
Correlation Coefficient
A statistical measure that quantifies the degree to which two variables vary together.
Sample Coefficient
A numerical measure that describes some characteristic or aspect of a sample of data.
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