Q3: From the following data: egin{tabular}{|c|c|c|c|c|c|} hline x & 2 & 5 & 6 & 4 & 3 \ hline y & 5 & 4 & 3 & 8 & 5 \ hline end{tabular} 1) Draw scatter plot. 2) Determine the regression line $y = a + bx$. 3) Predict the value of $y$ for the value of $x = 4.6$. 4) Calculate the correlation coefficient.
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