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In the early twentieth century,Cuba
Substantial Bias
A significant and often systematic distortion or prejudice in data or results, leading to erroneous conclusions.
Estimates
Quantitative calculations or judgements regarding future events or outcomes.
Categorical Variables
Variables that represent categories and can take on values that are names or labels.
Dummy Variables
In statistical modeling, these are artificial variables created to represent an attribute with two or more distinct categories or levels.
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