Question 3 5 pts _ ___ ___» Given for formula for the correlation coefficient = ;…

Question 3 5 pts _ ___ ___» Given for formula for the correlation coefficient = ; the formulations V22-(+)/y2-(y)2 of the slope and intercept in the estimated simple linear regression model y = mx +b where n Dry-D- Dy and b = y – mü; using the table below, Tin Atte 18 m = NOTE: Sums given in blue What is the estimated slope (marginal change)? 20 y my y? 1 15 15 1 225 5 21 105 25 441 8 13 104 64 169 15 9 135 225 81 16 4 64 256 16 21 1 21 441 1 25 2 50 625 4 91 65 494 1637 937

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