The data of an experiment to supply sufficient quantities of fertilizer to optimize vegetation growth(grass yield) and avoid excessive application that could lead to a runoff and nutrient enrichment of a nearby lake is shown in the data below. determine the regression of y on x.
y - 25- 50- 75- 100- 125- 150- 175- 200- 225- 250.
x - 84- 9- 90- 154- 148- 169- 206- 244- 212- 248.
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