In an area of the Great Plains, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (b
ushels per acre). Calculate the linear correlation coefficient. Round to three decimal places. Rainfall (in inches), x 11.7 10 14.6 13.7 20 11.5 8.2 16.8 17.2
Yield (bushels per acre), y 54.5 50.2 62.8 63 86.4 53.2 35.9 80 82.8
Options:
A. 0.998
B. 0.900
C. 0.899
D. 0.981