Age inMonthsHeight inCentimetersxy x218 76.119 7720 78.121 78.222 78.823 79.724 79.925 81.126 81.227 81.828 82.829 83.5Use your calculators or compute by hand the following.1) Find the equation for the regression line.2) Find R and R2.1) Find the variance and standard deviation of y.What % of the variation of y is explained by the regression line?4) Plot the following line on the graph. Why is this equation better or worse than the one you found in 1)?HEIGHT = 73 + 0.3*AGEssxxyrxnyxnxyb )(22)/1())()(/1(xbya ssssyxyxnyxnxyyyxxnr)1())((1))((11 AGE3028262422201816HEIGHT8482807876Age inMonthsHeight ininchesxy x22 20 40 43 21 63 95 23 115 258 25 200 6410 27 270 10028 116 688 202Var(x) = 11.3 Var(y) = 8.2Use your calculators or compute by hand the following.1) Find the equation for the regression line.2) Find R and R2.3) Find the variance and standard deviation of y.What % of the variation of y is explained by the regression line?ssxxyrxnyxnxyb )(22)/1())()(/1(xbya ssssyxyxnyxnxyyyxxnr)1())((1))((11 AGE121086420HEIGHT282624222018 Rsq =
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