Nine salespeople were surveyed, and the average number of clients contacts per month, (x), and the sales volume, y (in thousands), were recorded for each: # of clients contacts X 12 14 16 20 23 46 50 48 50 Sales volume Y 25 30 32 31 30 80 90 95 110 Find the correlation coefficient r b) find the regression equation c) graph the regression equation through the scatter plot.

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