Question: How would you do b and c? I have already done a and I know they are right. a) For the following data, which of

How would you do b and c? I have already done a and I know they are right.

a) For the following data, which of the two possible lines of best fit: jil =12.52x, or i=2 =121.5x, is better, according to the Principle of Least Squares. State why. (Show your working fully in the table). b) For the better t line above, plot the residual value against the X value. C) What is this type of plot called? What does it indicate here

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