Biostatistics Quiz
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DATA METHODS & STATISTICAL COMMUNICATION
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A multiple regression model predicting hospital length of stay includes: age (β = 0.08, p = 0.045), severity score (β = 1.2, p < 0.001), and insurance type (β = -2.1, p = 0.067). The overall model: F(3,156) = 18.7, p < 0.001, R² = 0.26, adjusted R² = 0.25. Which statement about model interpretation is most accurate?
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