Felationship between the number of cricket chirps in 1 min and the 852 1174 81.3 876 1168 69.5 94.1 89.8 Spearman's rank correlation coefficient ..... O B. Ho: rs =0 H: rg #0 O D. Ho: Ps#0 H1: Ps = 0 a/2 a/2 -1 Critical Values of Spearman's Rank Correlation Coefficient r a = 0,10 a = 0.05 a = 0.02 a = 0.01 900 6 .829 886 943 .714 786 893 929 8 ,643 738 833 881 600 .700 783 833 10 564 .648 745 794 11 .536 .618 709 755

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