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Compute the Sum of Squared Residuals
-The regression line for the given data is . Determine the residual of a data point for which and .
Scatter Diagram
A graphical representation using dots to show the relationship between two variables.
Nominal Variables
Variables that represent categories without any natural order or ranking among them.
Cross-Classification Table
A tabular method to display the frequency distribution of variables, showing how many times each combination of categories occurs; often used in statistics to analyze categorical data.
Promotional Customers
Customers who purchase products or services during a promotional campaign, often attracted by discounts or special offers.
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