The weights of a calf taken at weekly intervals are given below. Fit a straight line using the method of least squares and calculate the average rate of growth per week. Age (X) Weight (Y) Age (X) Weight (Y) 52-5 58.7 65-0 70-2 75-4 81-1 87-2 95-5 102-2 108-4 10 Also estimate the weight of the calf when age is (i) 12 weeks (i) 15 weeks. 67898 1234S

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