[填空题]
Gippsland in Victori;ud r2 qzft3fs8lwc0)jt wj /8a, Australia, yzysyffw3ki, j . +v-+is an important milk-producing farmland area. Some people might argue that, because of transportation costs, the cost of milk increases with the distance of markets from Gippsland. The table below shows y ,v+-ywj+.fk3f yzis the milk price in eight markets the Gippsland farmers supply to.
1. Find the Pearson's product moment correlation coefficient for this data, r .≈
2. Comment on the result obtained for r .
The equation of the regression line for this data is in the form y=m x+c .
3. 1. Find the value of m and comment on its meaning.
2. Find the value of c and interpret its meaning if appropriate. If not appropriate, explain why.
