Replace corr(x,y)=0.30 by corr(x,y)=0.60 and answer the questions in part (a). Do the same for corr(x,y)=-0.60,-0.30,and 0.0.
a) t(n)=t(n−1)+1
b) t(n)=t(n−1)−1
c) t(n)=t(n−1)+3
d) t(n)=t(n−1)−3