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A graph shows the price of a pound of cucumbers on the vertical axis and the quantity of new cars sold by GM on the horizontal axis. The price of a pound of cucumbers remains constant as the quantity of new cars sold increases. The graph of these data is
Diagnostic Displays
Visual representations of data or analyses, such as graphs or charts, used to identify patterns, outliers, or significant details within the data.
Leverage
In finance, the use of borrowed money to increase the potential return of an investment; in statistical analysis, it is a measure of how far an independent variable deviates from its mean.
Studentized Residuals
Residuals divided by an estimate of their standard deviation, often used in regression analysis to identify outliers.
Least-Squares Regression
A statistical method that fits a regression line to a dataset by minimizing the squares of the differences between observed and predicted values.
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