Compute the correlation coefficient between x and y for the following data and also the regression lines. X 1 2 3 4 5 6 7 8 9 10 Y 10 12 16 28 25 36 41 49 40 50
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Step 1
Mean of x: $\bar{x} = \frac{1+2+3+4+5+6+7+8+9+10}{10} = \frac{55}{10} = 5.5$ Mean of y: $\bar{y} = \frac{10+12+16+28+25+36+41+49+40+50}{10} = \frac{307}{10} = 30.7$ Show more…
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