Question: 2. Data fitting A student measures the weight W (in kg) and running speed S (in m/s) of three breeds of dog as (W1, S1)

2. Data fitting A student measures the weight W (in kg) and running speed S (in m/s) of three breeds of dog as (W1, S1) (9,4), (W2, S2) = (14,8) and (W3, S3) = (21, 10). (a) Calculate the best fit line for these data using least squares regression. (b) Use your model to predict the speed of a dog that weighs 30kg

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