By Roger Weber

 

Based on 2005 data, the following is a table showing the correlation coefficient of a linear relationship between the two statistics that meet at the box with the number.

 

	ERA	K/BB	K/9	BB/9	IP	R/9
ERA	-	.19	.29	.01	.38	.93
K/BB	.19	-	.26	.55	.26	.21
K/9	.29	.26	-	.02	.14	.33
BB/9	.01	.55	.02	-	.11	.01
IP	.38	.26	.14	.11	-	.41
R/9	.93	.21	.33	.01	.41	-
Cumulative	1.8	1.47	1.04	.7	1.3	1.89