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Use the data in the table to answer Questions 26 through 28.

x 3 1 4 4 5
y 2 -2 5 4 8

Determine SSxx, SSxy, and SSyy.
Find the equation of the regression line. What is the predicted value when x = 4?
Is the correlation significant at 5% significance level (95% confidence level)? Why or why not?

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