A physician measured the relationship between labor pains and infant bonding. The following table lists the ranks for each mother based on the amount of pain she experienced during labor (from lowest to highest) and the amount of time she spent bonding with her infant following birth (from least to most).
Labor Pains _____________________________ Infant Bonding
_____X______________________________________Y______
8..........................................................1
7..........................................................3
2..........................................................7
4..........................................................5
3..........................................................4
6..........................................................2
5..........................................................6
1..........................................................8
(a) Compute the Spearman correlation coefficient.
(b) Using a two-tailed test at a .05 level of significance, state the decision to retain or reject the null hypothesis.