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A linear model for the relationship between calcium levels and bone density in women over 65 has a coefficient of determination of 0.6528493. An exponential

A linear model for the relationship between calcium levels and bone density in women over 65 has a coefficient of determination of 0.6528493. An exponential model has a coefficient of determination of 0.7829436. Which model would be best for projecting bone density? Explain why

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