[填空题]
A clothes tailoring shop received an orde k o;6tk/:yczor for pants of different waist anni.-y5mg x ahty77 -bm:9nud-cs-elu d length sizes. The made-to-order measurements for this order were recore7mm 7t.s -9n: u nl-yuabh5-yxd-igcded and are shown in the following table.
1. Find the Pearson's product moment correlation coefficient, r , for this data.≈
2. Comment on the result found for r .
The equation of the regression line 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.