[Maximum mark: 7] A clothes tailoring shop received an order for pants of different waist and length sizes. The made-to-order measurements for this order were recorded and are shown in the following table. Waist circumference, cm (2) 82 79 65 92 90 81 Length, cm (v) 110 111 102 92 112 110 100 (a) Find the Pearson's product moment correlation coefficient, r, for this data. [2] (b) Comment on the result found for T. [1] The equation of the regression line is in the form y = ms + c. (c) (i) Find the value of m and comment on its meaning. (ii) Find the value of c and interpret its meaning if appropriate. If not appropriate, explain why. [4]