Step 1 :The relationship between grams of fertilizer, \(x\), and the number of lemons, \(y\), is modeled by the equation \(y=0.316 x+12\).
Step 2 :The correlation coefficient for the data is 0.948.
Step 3 :The line of best fit can be used to make reliable predictions because the correlation coefficient is closer to 1 than to 0, which indicates a strong association between the variables.
Step 4 :\(\boxed{\text{Final Answer: The line of best fit can be used to make reliable predictions because the correlation coefficient is closer to 1 than to 0, which indicates a strong association between the variables.}}\)