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Please show all steps and do an attachment please. please you must show all steps please do a good job on this one thank you

For the data set

x 2 1 3 4 7 6 5
_________________________
y 1 2 4 3 5 7 6

a. find the correlation coefficient r.

b. Find the equation of the regression line. Graph the line . Determine the slope and y-intercept of the regression line.

c. predict the value of y that would correspond to x =8.

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