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What is the "invisible hand"?
Least Squares Regression Line
A linear line that reduces the squared discrepancies between the actual observations and the predictions made by the line to the smallest possible sum.
Sunshine
The natural light emitted by the sun, influencing weather, climate, and various biological processes.
Melanoma
A type of skin cancer that develops from the pigment-containing cells known as melanocytes.
Least Squares Method
A mathematical approach used to find the best-fitting line through a set of points by minimizing the sum of the squares of the offsets (residuals) between the observed and predicted values.
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