APFIVE Linear Regression Prediction
A biologist creates a model relating a plant’s growth (y, in cm) to fertilizer amount (x, in g): ŷ = 8.2 + 1.4x. The model has R² = 0.78 and s = 2.3. What is the best prediction for a plant receiving 5g of fertilizer?
A
15.2 cm with 78% accuracy
B
15.2 ± 4.5 cm
C
15.2 cm
D
15.2 ± 2.3 cm
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