Question: Examine the following sample data for the variables y and x: a. Construct a scatter plot of these data. Describe the relationship between x and

Examine the following sample data for the variables y and x:

a. Construct a scatter plot of these data. Describe the relationship between x and y.
b. Calculate the sum of squares error for the following equations: (1) = 0.8 + 1.60 x, (2) = 1 + 1.50 x , and (3) = 0.7 + 1.60 x.
c. Which of these equations provides the €œbest€ fit of these data? Describe the criterion you used to determine €œbest€ fit.
d. Determine the regression line that minimizes the sum of squares error.

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