TOPIC : REGRESSION
4. For the following data:
x | 0 | 1 | 3 | 5 | 8
y | 2 | 4 | 6 | 5 | 9
a. Draw the scatter plot.
b. Based on the scatter plot, predict the sign of the linear correlation coefficient.
Explain your answer.
c. Compute the linear correlation coefficient and compare its sign to your answer to
part (b).
d. Compute the least squares regression line.
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