The following are the ranks of the ages (X) of 20 surgical patients and the dose (Y ) of an analgesic agent required to block one spinal segment.

Rank of Rank of Dose Rank of Rank of Dose Age in Requirement Age in Requirement Years (X) (Y) Years (X) (Y)
1 1 11 13 2 7 12 5 3 2 13 11 4 4 14 16 5 6 15 20 6 8 16 18 7 3 17 19 8 15 18 17 9 9 19 10 10 12 20 14 Compute and test (two-sided) for significance. Let Determine the p value for this test.