=+11.12. Ten randomly chosen male college students are used in an experiment to investigate the claim that physical strength is decreased by fatigue. Describe the relationship for the data below, using several methods of analysis.

Day Rainfall Day Rainfall April 1 0.00 April 11 2.10 April 2 0.03 April 12 2.25 April 3 0.05 April 13 2.50 April 4 1.11 April 14 2.50 April 5 0.00 April 15 2.51 April 6 0.00 April 16 2.60 April 7 0.02 April 17 2.50 April 8 0.06 April 18 2.45 April 9 1.15 April 19 0.02 April 10 2.00 April 20 0.00 1=4=01 75 9=21=01 72 12=9=01 81 5=10=02 91 3=9=01 74 10=4=01 77 1=22=02 93 7=17=02 95 6=3=01 71 10=9=01 76 1=26=02 82 9=12=02 90 6=15=01 76 11=1=01 78 3=21=02 84 10=4=02 92 8=4=01 98 12=5=01 80 4=6=02 89 12=6=02 93 MEASURES OF ASSOCIATION FOR BIVARIATE SAMPLES 447