Math Problem Statement
Halla la recta de regresión de la variable Cintura dado Cadera. Halla la predicción de la variable Cadera para los valores de Cintura 80 y 90 cm., respectivamente. ¿Cuál de las dos predicciones es más fiable? Justifica la respuesta.
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Statistics
Prediction Analysis
Formulas
Linear regression equation: Ŷ = b₀ + b₁X
Slope formula: b₁ = [n∑(XY) - (∑X)(∑Y)] / [n∑X² - (∑X)²]
Intercept formula: b₀ = Ȳ - b₁X̄
Theorems
Least Squares Estimation
Coefficient of Determination (R²)
Suitable Grade Level
College/Advanced High School
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