The following table shows the yields (y) obtained in an agricultural experiment in tonnes per hectare...

The following table shows the yields (y) obtained in an agricultural experiment in tonnes per hectare after using (x) tonnes of fertilizer per hectare. Fertilizer (x, ton/hectare) 0 0.2 0.4 0.6 Yield (y, ton/hectare) 1.35 1.55 1.95 2.75 (a) Calculate the regression line of y on x (ie. y= a + bx)

(b) Calculate regression coefficient, rx,y

(c) Estimate the total yields in tonnes from a 2.2 hectare field if 0.5 tonne of fertilizer is used

Expert Solution

orchestra answered 2 years ago

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