The weights of a calf’s taken at weekly intervals are given below: Age:      


The weights of a calf’s taken at weekly intervals are given below:
Age:           1        2      3      4      5      6      7      8      9      10
Weight:     52.5   58.7   65   70.2    75.4    81.1    87.2    95.5    102.2   108.4
a. Fit a linear regression equation to this data by the principle of least squares.
b. Calculate the average rate of growth per week.
c. Obtain an estimate of the weight of the calf at the age of 13 weeks.


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