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Step 1: Linear Regression Slope Calculator (Two Points)
Calculate the slope and intercept of a line through two data points (simple linear regression with n=2).
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Step 2: Correlation Direction Calculator (Two Points)
Determine whether two data points indicate a positive or negative linear relationship and its slope.
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Step 3: Polynomial Derivative Calculator (ax² + bx + c)
Calculate the derivative of a quadratic function at a given x value.
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Step 4: Definite Integral Calculator (ax² + bx + c)
Calculate the definite integral of a quadratic function between two bounds.